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Brain MRI Scan: Procedure, Advantages, Detection

MRI Scan /

If someone is looking for “what is a Brain MRI Scan”, here’s a detailed guide.

Brain MRI, also known as Magnetic Resonance Imaging of the Brain, Cranial MRI, or Neuroimaging, is a medical imaging test that utilizes powerful magnets and radio waves to create highly detailed images of the human brain and surrounding tissues. This imaging test allows physicians to see the structures of the brain and detect most structural or functional problems.

What are the Advantages of a Brain MRI?

In contrast to other imaging modalities, a brain MRI has several advantages:

  • High-resolution images: MRI provides high-resolution images of the brain’s soft tissue (cerebrospinal fluid, blood vessels, gray matter, and white matter) and can detect small abnormalities.
  • No ionizing radiation: Unlike CT scans and X-rays, MRI does not use ionizing radiation. This makes it safer, especially for repeated scans or sensitive cases like pregnancy (first trimester MRIs are generally avoided).
  • Multiplanar Imaging: MRI can capture images in multiple planes (axial, sagittal, coronal, and oblique) without repositioning the patient, offering comprehensive views of the brain.
  • Excellent Soft Tissue Contrast: MRI differentiates soft tissues clearly, making it highly sensitive for detecting conditions like multiple sclerosis, brain tumors, stroke, and infections.
  • Functional MRI (fMRI): Measures blood flow changes and brain activity, useful for research and pre-surgery mapping of functional brain areas.
  • Vascular Imaging: MRI allows visualization of brain arteries (MRA) and veins (MRV) without invasive techniques.

Steps Taken Before a Brain MRI

Preparation for a brain MRI scan is minimal but important:

  • Notify Your Doctor: Inform your doctor about any medical conditions such as kidney disease, allergies, pregnancy, or lactation. Also disclose any implants like pacemakers, cochlear implants, or neurostimulators to ensure MRI compatibility.

What Does the Brain MRI Show?

A brain MRI is an essential diagnostic tool for examining the structural integrity of the brain and identifying various abnormalities.

  • Brain Tumor: MRI can differentiate between malignant and benign tumors and determine their size, extent, and effect on surrounding brain structures.
  • Stroke: MRI can distinguish between ischemic (low blood flow) and hemorrhagic (bleeding) strokes. Diffusion-weighted imaging (DWI) is particularly useful for evaluating acute stroke cases.

What to Expect During a Brain MRI Scan

The brain MRI uses a powerful magnetic field, radio waves, and a computer to produce detailed images. Unlike X-rays or CT scans, it does not use radiation.

Before the examination:

  • Fill out a medical history questionnaire including implants and allergies.
  • Change into a hospital gown and remove jewelry, watches, hearing aids, or metallic objects.

During the scan:

  • You will lie on a table that moves into the MRI machine, which is large and tubular but open at both ends.
  • Pillows and straps may be used to keep you still during imaging.

How to Get a Brain MRI Scan at the Lowest Cost

CareBox helps you obtain a brain MRI scan at the lowest cost in Delhi. They assist in finding the best MRI centers with high-end machines, nearby locations, transparent pricing, and experienced radiologists for consultations.

Conclusion

Brain MRI provides invaluable information about brain structure and function. It is essential for diagnosing tumors, stroke, multiple sclerosis, and other neurological disorders. Its advantages include excellent soft tissue contrast, high-resolution imaging, and no radiation exposure.

Frequently Asked Questions (FAQs)

Q. What kinds of brain MRI scans are there?

A. There are two kinds of brain MRI scans: structural and functional.

Q. Is a brain MRI scan dangerous?

A. No. Brain MRI does not use radiation and is safe and painless.

Q. Is there a difference between a head MRI and a brain MRI?

A. No. Both terms refer to the same test of what is inside your head.

Q. Will I have to get my whole body in the machine?

A. In most cases, only your head enters the MRI machine tunnel.

Q. Who will read or interpret my brain MRI results?

A. A radiologist will interpret your MRI results and explain any abnormalities.

Brain MRI Scan: Procedure, Advantages, Detection Read More »

What is the Role of CT Scan in Heart Attack?

CT Scan /

CT scan is a significant diagnostic instrument in diagnosing and treating attacks on the heart.

  • Rapid diagnosis: Rapid CT scans are possible and can produce desired images of coronary heart and blood vessels. 
  • Non-invasive option: CT scans are a less invasive option compared to invasive procedures such as cardiac catheterization. 
  • Assessment of chest pain: Chest pain is a frequent symptom of coronary heart attack, but may also be provoked with the assistance of other prerequisites such as pulmonary embolism or aortic dissection. 
  • Follow-up imaging: Post a coronary heart attack, follow-up imaging can also be wished to observe the recovery of the patient and test for any heart muscle damage. 

Role of CT Scan in Heart Attack?

If there is a coronary heart attack, then a CT scan can inform about the location and severity of the blockage in the coronary arteries, which supply the coronary heart with blood rich in oxygen. CT scan can also serve as a choice for an invasive technique called cardiac catheterization. During cardiac catheterization, a long, flexible tube is inserted in a blood vessel and guided to the coronary heart in order to collect data regarding blood drift and blockages. 

What are heart attack symptoms?

Some other symptoms are-

  • You might feel pain or minor discomfort in chest or belly, feeling of pressure, dizziness, consciousness, chest pain for more than 4-5 minutes.
  • Shortness of breath and unexplained fatigue.
  • Nause, vomiting or feeling sick.
  • Sudden sensation of dizziness and fainting and feeling unsteady.
  • Silent Heart attack: Silent heart attack is without any symptom or mild chest pain. Which person considers muscle ache or indigestion.

Case of Heart Failure or Heart Attack?

This is a key question in mind of people that what to do if we are experiencing symptoms of heart attack and what we should not do at that time-

  • Call emergency numbers immediately 112(all emergency services) or 102(ambulances).
  • Chew aspirin (300 Mg) which will thin your blood and improve blood flow.
  • Stay calm and rest,Do CPR if needed.

What do I do to prevent having heart attacks:

  • Take healthy food and fruits.
  • Enhance your diet, take a healthy and balanced diet, incorporate whole grain, lean protein and greens.
  • Avoid excess use of sugar, salt.
  • Quit smoking, drinking alcohol and the use of tobacco.

What are the tests conducted at best imaging Centres in Delhi to diagnose heart attack?

Carebox assists you to access the valuable and 100% guaranteed service. Scans for heart related problems 

Electrocardiogram:An ECG is a quick and painless test as it is an uncomplicated test, so it records the electrical activity of the heart. It tests the way the heart beats and detects abnormalities.

Echocardiogram: It’s an ultrasound scan that uses high frequency sound waves to produce real-time images of the heart. 

Stress test:Cardiac Stress Test is an unobtrusive test to test heart well-being. Cardiac stress test can also be called the ECG test stress exercise test or the treadmill stress test (TMT).

Blood tests: Blood tests are done to test the specific enzymes and protein that indicate heart muscle damage.

Cardiac MRI or CT Scan: These tests detect the damage and clog in the heart.

Conclusion

CT scans play a highly critical role in heart attack symptom diagnosis by detecting blockages in the coronary arteries quickly, ascertaining heart muscle injury, and a non-invasive option for invasive treatment. In addition to ECG, echocardiogram, stress test, and blood test, CT scan guarantees correct diagnosis at the right time. Early detection of symptoms, early medical care, and healthy living habits are the best prevention and recovery strategies against heart attacks.

Frequently Asked Questions

Q. What is the full name of CT Scan?

computed tomography scan.

Q. How much does a Heart CT scan cost in Delhi?

The cost of a heart CT scan in Delhi is 3000 to 8000 rs and it also depends on the diagnostics centres.

Q. Does stress lead to a heart attack?

Yes, too much stress can cause heart attack, raises the blood pressure and heart rate.

Q. What is the test aftercare?

No special care needed after the tests if everything goes smoothly.

Q. How is Echo dissimilar to ECG?

ECG is a quick and non-harmful test because it is a non-invasive test that records heart electrical activity, while Echo, It is an ultrasound scan using high frequency sound waves to form moving images of the heart.

What is the Role of CT Scan in Heart Attack? Read More »

Hepatitis B Vaccination For Individuals on Dialysis

Dialysis /

If you are searching Hepatitis B Vaccination For Individuals on Dialysis Hepatitis B is liver infection due to transmission of the Hepatitis B Virus into one’s blood stream. Hemodialysis patients run a higher risk of becoming infected by this virus due to their blood being circulated through extracorporeal circuits for Hemodialysis..

Here Are a Few Points to Remember in This Context

1. Patients on dialysis require twice the standard dose of the vaccine

Hepatitis B vaccines in India are typically provided in vials of 1 ml. The patients on dialysis require 2 ml at a time.

2. You will have to take 4 doses spaced out over time

You will have to take twice the dose (i.e., 2 ml) 4 times to finish your course of vaccination. You have to administer a 2 ml injection on Day 0, Month 1, Month 2 and Month 6. This implies that if you have already taken the first 2 ml dose today, you have to take the second 2 ml dose after one month, the third 2 ml dose after another month and lastly the fourth and final 2 ml dose after 4 more months of the third dose. Example dates may be

  • 1st January – First dose
  • 1st February  – Second dose
  • 1st March  – Third dose
  • 1st July  – Fourth dose

3. Undergoing a test if you are immune to the Hepatitis B Virus

After you have had 4 doses of the vaccine, you need to see if you have been well protected against the virus two months after the last dose. In the given example,  this would be done on 1st September. This is checked by having a test called the Anti Hepatitis B Surface Antibody Titre.  If the Titre value is more than 10 IU/ml, then you have been properly protected.

Also Read: Prepare Yourself for Dialysis Side Effects

4. Follow-up test yearly

With the Hepatitis B vaccine various individuals are protected to varying degrees and this protection persists for varying periods of time. The policy is to undergo a yearly test for the same Anti Hepatitis B Surface Antibody Titre. If your titre level is below 10 IU/ml, you are advised to take a booster dose (one dose of 2 ml of the vaccine). 

Annual Anti Hepatitis B Surface Antibody Titre < 10 IU/ml – Booster dose of 2 ml

  • Titre > 10 IU/ml but < 100 IU/ml – No booster needed for another year
  • Titre > 100 IU/ml – No titre checking ever needed and no need to get a booster for your whole life

5. Non Responders

A few individuals do not get affected by the Hepatitis B vaccine. Even after receiving the full vaccination series (even two times) their titre level is still below 10 IU/ml. That means they are not well protected against the Hepatitis B virus. They ought to take proper precautions to prevent them from getting infected. 

Conclusion

Patients on dialysis are at much greater risk of becoming infected with Hepatitis B because of the invasive treatment they are receiving and the possible exposure to infected  Hepatitis B Vaccination For Individuals on Dialysis equipment, yet the Hepatitis B vaccine provides the essential protection when used correctly. 

Frequently Asked Questions

Q. Is the hepatitis B vaccine necessary for dialysis patients?

Yes, hepatitis B vaccine is needed and should be administered to dialysis patients as they are an at-risk population with a higher risk of Hepatitis B Virus (HBV) infection.

Q. What is the schedule for hepatitis B vaccine for dialysis patients?

 There are four doses 0, 1, 2, and 6 months.

Q. Who cannot take the hepatitis B vaccine?

You must not receive the hepatitis B vaccine if you have a history of a severe allergic reaction to a dose of the vaccine given before or a severe reaction to yeast or any other vaccine component.

Q. Who is at risk for the HepB vaccine?

The HepB vaccine is indicated for all children and adolescents under 19 who have not previously been vaccinated, and individuals 19-59 years of age. individuals 60 years and older.

Q. Which hepatitis cannot be vaccinated?

The Difference Between Hepatitis A, B and C | Hepatitis NSWHepatitis C and Hepatitis D do not have vaccines yet, although Hepatitis B vaccine also works to prevent Hepatitis D infection. Vaccines for Hepatitis A and B exist, of which Hepatitis B is used to prevent co-infections of Hepatitis B and D.

Hepatitis B Vaccination For Individuals on Dialysis Read More »

Common Reasons for a CT Scan You Should Know

CT Scan /

In the world of modern medicine, diagnostic imaging plays a crucial role in helping doctors see inside the human body without the need for invasive surgery. Among the most powerful and widely used tools is the Computed Tomography (CT) scan. For many patients, the phrase “CT scan” can bring about a mix of questions and a little bit of anxiety. What exactly is it? Why do I need one?

A CT scan, also known as a CAT scan (Computed Axial Tomography), is a sophisticated imaging procedure that uses a series of X-ray images taken from different angles to create cross-sectional, or “slice,” views of the body. These images are then combined by a computer to produce detailed, three-dimensional views of bones, blood vessels, and soft tissues. This level of detail is what sets a CT scan apart from a standard X-ray and makes it an indispensable diagnostic tool.

Reasons for a CT Scan

The reasons for a CT scan are vast and varied, ranging from life-threatening emergencies to routine check-ups. The following is a comprehensive breakdown of the primary reasons a doctor may order this procedure.

1. Emergency Medicine and Trauma

One of the most critical applications of a CT scan is in emergency situations. Its speed and precision allow doctors to quickly and accurately diagnose life-threatening conditions, guiding immediate treatment.

  • Internal Bleeding and Organ Injury: After a severe car accident, a fall, or any other traumatic injury, a CT scan can rapidly detect internal bleeding, fluid buildup, and injuries to major organs like the liver, spleen, or kidneys. This information is vital for surgeons to know exactly where to operate and how to plan their approach.
  • Head Injuries: In cases of head trauma, a CT scan of the brain is the gold standard for quickly identifying skull fractures, brain swelling, and hemorrhages (bleeding in the brain). This is a critical step in assessing the severity of the injury and preventing potentially fatal complications.
  • Fractures and Bone Damage: While standard X-rays are good for detecting simple bone breaks, a CT scan provides a much more detailed picture, especially for complex fractures involving joints, the pelvis, or the spine. It can show the exact position and displacement of bone fragments, which is essential for orthopedic surgeons to plan surgical repair.
  • Aortic Dissection: This is a rare but life-threatening condition where the inner layer of the body’s largest artery, the aorta, tears. A CT scan of the chest and abdomen is the most effective way to rapidly diagnose this condition, which requires immediate surgical intervention.

2. Diagnosis and Monitoring of Diseases

Beyond emergencies, CT scans are a powerful tool for diagnosing and managing a wide range of diseases and chronic conditions.

  • Cancer Detection and Staging: CT scans are a cornerstone of oncology. They are used to:
    • Detect Tumors: They can identify the presence of a tumor or mass in the body, such as in the lungs, colon, liver, or pancreas.
    • Determine Staging: CT scans help doctors determine the size of a tumor, its location, and whether the cancer has spread to nearby lymph nodes or other parts of the body (metastasis). This is known as “cancer staging” and is crucial for developing the correct treatment plan.
    • Monitor Treatment: After a patient begins chemotherapy or radiation therapy, follow-up CT scans are used to track the size of the tumor to see if the treatment is working.
  • Infections and Abscesses: A CT scan can help doctors pinpoint the source of an infection, especially in deep-seated areas that are difficult to see with other imaging. For example, it can identify an abscess (a collection of pus) in the abdomen or pelvis.
  • Heart and Vascular Conditions: CT angiography (CTA) is a specialized type of CT scan that uses a contrast dye to visualize the blood vessels. It is used to:
    • Detect Aneurysms: Identify bulges or weaknesses in the walls of arteries.
    • Assess Arterial Blockages: Look for blockages in the arteries of the heart (coronary arteries) or other parts of the body, which can lead to a heart attack or stroke.
  • Digestive and Abdominal Issues: A CT scan of the abdomen and pelvis can diagnose a multitude of conditions affecting the digestive system, including:
    • Appendicitis, diverticulitis, and inflammatory bowel disease.
    • Kidney stones and gallbladder stones.
    • Pancreatitis or liver disease.
  • Lung Conditions: The high-resolution images of a chest CT scan are invaluable for diagnosing and evaluating lung diseases like pneumonia, chronic obstructive pulmonary disease (COPD), pulmonary embolism (a blood clot in the lung), and interstitial lung disease.

3. Guiding Medical Procedures and Planning Treatments

The precise, 3D images provided by a CT scan are also used to guide medical professionals during various procedures and to plan for future treatments.

  • Biopsies: When a doctor needs to take a tissue sample (biopsy) from a tumor or mass deep inside the body, a CT scan can guide the needle to the exact location, ensuring accuracy and minimizing damage to surrounding tissue. This is known as a CT-guided biopsy.
  • Radiation Therapy: Before a patient undergoes radiation therapy for cancer, a CT scan is performed to create a detailed map of the tumor. This allows the radiation oncologist to precisely target the tumor with radiation beams while avoiding healthy surrounding organs and tissues.
  • Surgical Planning: For complex surgical procedures, especially those involving the spine, head, or major blood vessels, surgeons will use a pre-operative CT scan to visualize the anatomy, plan their approach, and anticipate any potential complications.

4. Special CT Scan Applications by Body Area

To better understand the versatility of this tool, here are a few more specific applications based on the part of the body being examined.

  • Head CT: Primarily used for brain trauma, stroke, and to check for tumors, aneurysms, and other vascular malformations. It is the go-to scan for a suspected stroke, as it can quickly differentiate between a bleed (hemorrhagic stroke) and a clot (ischemic stroke), which dictates the course of treatment.
  • Chest CT: Used to examine the heart, lungs, and esophagus. It can detect lung nodules, tumors, infections, and blockages in the pulmonary arteries. A low-dose CT scan is also recommended for lung cancer screening in high-risk individuals.
  • Abdominal and Pelvic CT: This scan is essential for visualizing the digestive organs, liver, kidneys, pancreas, and spleen. It helps diagnose sources of abdominal pain, internal injuries, and a variety of diseases.
  • Spine CT: Provides detailed images of the vertebrae, spinal cord, and surrounding tissues. It is often used to assess spinal fractures, herniated discs, spinal stenosis (narrowing of the spinal canal), and tumors.

Understanding the Procedure

Knowing what to expect can ease any anxiety. The CT scan procedure is generally quick and painless.

  • Preparation: You may be asked to change into a hospital gown and remove any metal objects.
  • Contrast Material: For certain scans, you may be given a contrast material (a special dye) to drink, inject intravenously, or both. This substance helps highlight specific tissues or blood vessels, making them stand out in the images.
  • The Scan Itself: You will lie on a motorized table that slides into a large, donut-shaped machine. The scanner rotates around you, taking multiple X-ray images. The entire process typically takes only a few minutes.

Conclusion

The CT scan is far more than just a camera for the inside of your body. It is a powerful, non-invasive diagnostic tool that provides doctors with the detailed anatomical information they need to make accurate diagnoses, plan effective treatments, and save lives. From the emergency room to the oncology clinic, its ability to visualize everything from tiny bone fractures to complex tumors has cemented its place as a cornerstone of modern medical care.

If your doctor recommends a CT scan, rest assured that it is a common and safe procedure aimed at providing the most comprehensive picture of your health to ensure you receive the best possible care.

FAQ (People Also Ask)

Q1. What is the difference between a CT scan and an MRI?

Both CT and MRI scans are advanced imaging tests, but they work differently. A CT scan uses X-rays to create clear pictures of bones, blood vessels, and organs, while an MRI uses magnets and radio waves to capture more detailed images of soft tissues like the brain, muscles, and nerves. Doctors recommend one over the other depending on what part of the body needs to be checked.

Q2. Is a CT scan safe?

Yes, a CT scan is generally safe. It does involve a small amount of radiation, but for most people, the benefits of detecting and diagnosing health problems far outweigh the risks. Your doctor will only recommend it if it’s truly needed.

Q3. How long does a CT scan take?

A CT scan is quick and painless. Most scans take 5–15 minutes, and you can go home the same day. If your test requires contrast dye, it might take a little longer.

Q4. Do all CT scans require contrast dye?

Not all. Some CT scans use a special dye (either injected or given orally) to make certain tissues and blood vessels more visible. Your doctor will let you know if contrast is necessary for your case.

Q5. What conditions can a CT scan detect?

CT scans are very versatile. They can help detect:

  • Internal injuries after accidents
  • Stroke and brain bleeds
  • Tumors and cancers
  • Infections or abscesses
  • Heart and lung conditions
  • Kidney stones and digestive issues

Q6. Can I eat or drink before a CT scan?

It depends. For many CT scans, you can eat and drink normally. But if contrast dye is used, you may be asked to fast for a few hours. Always follow the instructions given by your diagnostic centre.

Q7. How much does a CT scan cost in India?

The cost of a CT scan usually ranges between ₹2,000 to ₹7,000, depending on the type of scan and location. With CareBox, you can book a CT scan at trusted labs near you with up to 50% discount.

Common Reasons for a CT Scan You Should Know Read More »

What is the Difference Between MRI Scan and PET CT Scan?

CT Scan, PET CT Scan /

Medical imaging has transformed the way doctors diagnose and treat diseases. Among the most advanced techniques, MRI (Magnetic Resonance Imaging) Scan and PET CT (Positron Emission Tomography – Computed Tomography) Scan stand out for their precision and ability to provide detailed insights.

But many patients often wonder: What is the difference between MRI and PET CT scan? Do they serve the same purpose, or does one offer better results than the other?

In this blog, we’ll break down the differences between the two scans, their uses, preparation, safety, and costs — in simple, easy-to-understand language. By the end, you’ll know exactly when an MRI is preferred and when a PET CT scan is recommended.

Understanding MRI Scan

MRI Scan is a non-invasive imaging test that uses powerful magnets and radio waves to create highly detailed images of the inside of your body.

  • How it works: MRI does not use radiation. Instead, it relies on a strong magnetic field that aligns hydrogen atoms in your body. Radio waves then capture signals to form clear images of tissues and organs.
  • Best for: Soft tissue imaging such as the brain, spinal cord, muscles, ligaments, heart, and internal organs.
  • Key advantage: Provides excellent structural details without radiation.

Understanding PET CT Scan

A PET CT Scan is a combination of Positron Emission Tomography (PET) and Computed Tomography (CT Scan).

  • How it works: Before the scan, a small amount of radioactive tracer (usually a sugar-based compound) is injected into your body. Cancer cells and other active tissues absorb more tracer, which allows doctors to detect abnormal activity. The CT part adds detailed anatomical images, making the scan both functional and structural.
  • Best for: Detecting cancer, monitoring response to treatment, evaluating heart conditions, and studying brain disorders.
  • Key advantage: Shows both how tissues look and how they function.

MRI Scan vs. PET CT Scan: Key Differences

AspectMRI ScanPET CT Scan
TechnologyUses magnetic fields & radio wavesCombines radioactive tracer (PET) + X-rays (CT)
RadiationNo radiationInvolves low-dose radiation
FocusProvides structural detailsProvides functional + structural details
Best ForBrain, spine, joints, soft tissuesCancer detection, heart function, brain metabolism
Time Taken30–60 minutes30–45 minutes
AccuracyVery detailed for anatomyHigh sensitivity for detecting disease activity
AvailabilityWidely available in hospitals & diagnostic centresAvailable in specialised centres
CostModerateHigher compared to MRI

When is MRI Scan Recommended?

Doctors may suggest an MRI scan in conditions such as:

  • Brain stroke, tumours, or multiple sclerosis
  • Spinal cord injuries
  • Joint injuries (ligaments, cartilage, meniscus tears)
  • Heart or blood vessel abnormalities
  • Pelvic or abdominal organ issues

Why MRI? Because it provides sharp, detailed images of soft tissues without radiation.

When is PET CT Scan Recommended?

PET CT is usually advised in cases like:

  • Detecting and staging cancer
  • Checking if cancer has spread (metastasis)
  • Evaluating effectiveness of chemotherapy or radiation therapy
  • Assessing heart conditions like reduced blood flow
  • Identifying brain disorders such as Alzheimer’s or epilepsy

Why PET CT? Because it shows active disease processes inside the body along with precise anatomical details.

Safety Comparison

  • MRI Scan: Safe for most people but not suitable for patients with pacemakers, cochlear implants, or certain metallic implants.
  • PET CT Scan: Safe, but since it uses a radioactive tracer, pregnant women and breastfeeding mothers are usually advised to avoid it.

Preparation for MRI vs. PET CT Scan

  • MRI Preparation:
    • Remove all metallic objects.
    • May require fasting if contrast dye is used.
    • Patients with claustrophobia may need mild sedation.
  • PET CT Preparation:
    • Fast for 6–8 hours before the scan.
    • Avoid exercise 24 hours prior.
    • Diabetic patients need special instructions for insulin and diet.

Cost Comparison

  • MRI Scan Cost: Depends on the type (Brain, Spine, Abdomen, etc.), usually ranging from ₹3999 – ₹15,000 in India.
  • PET CT Scan Cost: More expensive due to the tracer and advanced technology, ranging from ₹10,000 – ₹30,000 in India.

Which is Better: MRI or PET CT?

Neither is “better” universally — it depends on the condition:

  • MRI is better for soft tissue and anatomical imaging.
  • PET CT is better for cancer detection, staging, and treatment monitoring.

In many cases, doctors may even recommend both scans together for the most accurate diagnosis.

Final Thoughts

Both MRI Scan and PET CT Scan play crucial roles in modern healthcare. While MRI provides high-resolution structural images, PET CT goes deeper by revealing how tissues and cells are functioning.

If your doctor recommends either of these scans, it’s because each test provides unique insights that help in accurate diagnosis and treatment. Always consult your healthcare provider to know which scan is right for your condition.

FAQs on MRI vs. PET CT Scan

Q1. Does MRI show cancer like PET CT?

MRI can show tumours and structural changes, but PET CT is more sensitive for detecting active cancer cells.

Q2. Which scan is safer?

MRI is safer because it does not use radiation. PET CT involves low-dose radiation but is still considered safe for most patients.

Q3. Is PET CT always required for cancer?

Not always. Some cancers can be monitored with MRI or CT, but PET CT is often recommended for accurate staging and tracking treatment response.

Q4. Can children undergo MRI or PET CT?

Yes. MRI is commonly used for children. PET CT may be used when necessary, but radiation exposure is carefully considered.

Q5. Which scan is more expensive?

PET CT is generally more expensive than MRI.

What is the Difference Between MRI Scan and PET CT Scan? Read More »

Why Do Doctors Recommend PET CT Scan in Cancer?

PET CT Scan /

Cancer is one of the most complex diseases, and its diagnosis and treatment require high precision. To ensure accuracy, doctors often recommend a PET CT Scan. Many patients wonder, “Why is PET CT suggested in cancer when other scans like MRI or CT are available?”

The answer lies in the unique ability of PET CT to show both structure and function of tissues in the body. Let’s explore in detail why PET CT is so important in cancer diagnosis and treatment.

What is a PET CT Scan?

A PET CT Scan (Positron Emission Tomography – Computed Tomography) combines two imaging techniques:

  • PET (Positron Emission Tomography): Uses a small amount of radioactive tracer (usually a sugar-like substance) to highlight areas of high metabolic activity. Cancer cells, which grow and consume sugar rapidly, absorb more tracer and appear brighter on the scan.
  • CT (Computed Tomography): Provides detailed anatomical images of the body.

When combined, PET CT shows not only where a tumour is located but also how active it is.

Why Do Doctors Recommend PET CT in Cancer?

1. Early Detection of Cancer

Cancer cells behave differently from normal cells — they grow faster and consume more energy. PET CT detects this abnormal activity at a very early stage, sometimes even before structural changes appear on MRI or CT.

2. Accurate Staging of Cancer

Staging tells doctors how advanced the cancer is and whether it has spread. PET CT helps in:

  • Detecting the primary tumour
  • Finding if cancer has spread to lymph nodes
  • Checking for metastasis (spread to distant organs)

This is crucial for planning the right treatment.

3. Treatment Planning

Doctors use PET CT results to design a personalised treatment plan. For example:

  • Deciding if surgery is possible
  • Planning radiation therapy by mapping exact tumour sites
  • Choosing between chemotherapy, targeted therapy, or immunotherapy

4. Monitoring Treatment Response

Not all treatments work the same for every patient. PET CT allows doctors to see if the cancer is responding to treatment.

  • If the tumour is shrinking or showing less activity, the treatment is working.
  • If cancer is still active, doctors can change the treatment plan quickly.

5. Detecting Recurrence

Even after successful treatment, there is always a risk of cancer coming back. PET CT can detect recurrence early, often before symptoms appear. This ensures timely intervention.

PET CT vs. Other Scans in Cancer

  • CT or MRI: Show detailed structure (size, shape, location) but cannot always tell if a tumour is active or dead tissue.
  • PET CT: Shows both structure and function, helping differentiate between scar tissue and active cancer.

Is PET CT Safe for Cancer Patients?

Yes, PET CT is considered safe. The radioactive tracer used is in very small amounts and usually leaves the body within 24 hours through urine. However, it may not be recommended for pregnant or breastfeeding women.

Cost of PET CT in Cancer

In India, PET CT scan costs usually range between ₹15,000 to ₹30,000, depending on the city, hospital, and type of tracer used. While it is more expensive than MRI or CT, the comprehensive information it provides makes it highly valuable in cancer care.

Final Thoughts

Doctors recommend PET CT scans in cancer because they provide the most accurate and complete picture of the disease. From early detection to staging, treatment planning, monitoring, and recurrence detection, PET CT plays a vital role in saving lives.

If your doctor has suggested a PET CT scan, it is not just another test — it is an essential step to ensure you receive the best possible cancer treatment.

FAQs on PET CT in Cancer

Q1. Can PET CT detect all types of cancer?

Not all cancers are easily visible on PET CT, but it is highly effective for lung, lymphoma, head & neck, breast, colorectal, and other cancers.

Q2. Is PET CT painful?

No. The scan is painless. The only discomfort may be the injection of the tracer.

Q3. How long does a PET CT scan take?

The procedure usually takes about 2–3 hours, including preparation and scan time.

Q4. Can PET CT replace biopsy?

No. PET CT shows abnormal activity, but a biopsy is still required to confirm cancer diagnosis.

Q5. How often should a cancer patient undergo PET CT?

This depends on the treatment plan. Some patients may need scans before, during, and after treatment, as advised by their doctor.

Why Do Doctors Recommend PET CT Scan in Cancer? Read More »

Alzheimer’s Disease: How MRI Scans Help in Early Detection and Monitoring

MRI Scan /

Alzheimer’s disease is a progressive neurological disorder that affects memory, thinking, and behavior. It is one of the most common causes of dementia, affecting millions of people worldwide. Early detection is crucial to manage symptoms, slow progression, and improve quality of life. A brain MRI scan plays a vital role in diagnosing and monitoring Alzheimer’s disease, providing detailed insights into changes in brain structure.

What is Alzheimer’s Disease?

Alzheimer’s is a degenerative brain condition that primarily affects older adults. It causes the death of nerve cells (neurons) and leads to brain atrophy, particularly in areas responsible for memory and cognition. Common symptoms include:

  • Memory loss affecting daily life
  • Difficulty solving problems or planning
  • Confusion with time or place
  • Challenges in speaking or writing
  • Changes in mood and personality

Early diagnosis is essential because interventions are most effective in the initial stages.

Learn more about Brain MRI scans

How MRI Scans Help in Alzheimer’s

A brain MRI scan uses magnetic fields and radio waves to create high-resolution images of the brain. For Alzheimer’s patients, MRI provides several advantages:

1. Detecting Brain Atrophy

MRI Scan can detect shrinkage of brain tissue, particularly in the hippocampus, which is crucial for memory. Early atrophy may indicate Alzheimer’s even before severe symptoms appear.

2. Monitoring Disease Progression

MRI allows doctors to track changes in brain structure over time, helping assess how quickly the disease is progressing.

3. Differentiating from Other Dementias

MRI can help distinguish Alzheimer’s from other causes of memory loss, such as vascular dementia, by identifying patterns of brain changes specific to each condition.

4. Identifying Coexisting Conditions

Sometimes, memory problems may be caused or worsened by strokes, tumors, or other brain lesions. MRI helps rule out other underlying conditions.

5. Guiding Treatment Plans

Detailed MRI images assist doctors in planning treatments, monitoring therapy effectiveness, and adjusting care strategies based on structural changes in the brain.

Also Learn: What is a Brain PET Scan and How is It Performed?

Symptoms That Indicate an MRI May Be Needed

If someone shows the following signs, a brain MRI can be helpful for early detection or assessment:

  • Significant memory loss affecting daily tasks
  • Difficulty learning or recalling new information
  • Confusion with familiar places or dates
  • Personality or mood changes
  • Problems with language or comprehension

Early imaging can allow timely interventions and lifestyle modifications that slow disease progression.

Benefits of Using MRI for Alzheimer’s

  • Non-invasive and safe: No radiation exposure
  • High-resolution images: Detects subtle brain changes
  • Early detection: Helps diagnose before severe symptoms appear
  • Tracking progression: Enables monitoring over time
  • Differential diagnosis: Distinguishes Alzheimer’s from other neurological disorders

Limitations of MRI in Alzheimer’s

While MRI is extremely valuable, it cannot detect the disease at a molecular level. Some limitations include:

  • Cannot identify amyloid plaques directly (PET scans are better for this)
  • Early-stage Alzheimer’s may not show obvious structural changes
  • Claustrophobia or movement during scans may affect image quality

Conclusion

Alzheimer’s disease is a serious condition, but early detection and careful monitoring can improve outcomes. A brain MRI scan provides a safe, non-invasive way to visualize structural changes in the brain, helping doctors detect the disease early, track progression, and plan personalized treatments.

At CareBox, we connect you to trusted diagnostic centers where expert radiologists perform MRI scans with accurate results, making it easier for families to take proactive steps in managing Alzheimer’s disease.

FAQs: Alzheimer’s Disease and MRI Scans

Q1: Can MRI detect Alzheimer’s disease early?

A: Yes, MRI can detect early structural changes in the brain, such as shrinkage of the hippocampus, even before severe symptoms appear. Early detection helps in planning timely interventions.

Q2: How does MRI help in monitoring Alzheimer’s progression?

A: MRI allows doctors to track changes in brain structure over time, helping to monitor disease progression and assess the effectiveness of treatments.

Q3: Is MRI safe for elderly patients with Alzheimer’s?

A: Yes. MRI is non-invasive, does not use radiation, and is generally safe for elderly patients. Precautions are taken for patients with implants or claustrophobia.

Q4: Can MRI distinguish Alzheimer’s from other types of dementia?

A: Yes. MRI can identify specific patterns of brain atrophy that help differentiate Alzheimer’s from other dementias, such as vascular dementia.

Q5: Does MRI show amyloid plaques in the brain?

A: No. MRI detects structural changes but cannot visualize amyloid plaques directly. PET scans are more suitable for detecting plaques.

Q6: How long does a brain MRI for Alzheimer’s take?

A: Typically, 20–60 minutes depending on the sequences used and whether contrast dye is required.

Q7: Are there any risks of doing an MRI for Alzheimer’s?

A: MRI is generally safe. Risks are minimal, but patients with metal implants, pacemakers, or severe claustrophobia may require special precautions.

Q8: How often should MRI scans be done for Alzheimer’s patients?

A: The frequency depends on the doctor’s recommendation. Usually, MRI scans are done periodically to monitor brain changes and treatment response.

Alzheimer’s Disease: How MRI Scans Help in Early Detection and Monitoring Read More »

Brain MRI Scan: Everything You Need to Know

MRI Scan /

A brain MRI scan is a non-invasive imaging test that provides detailed pictures of the brain and surrounding structures. It helps doctors detect, monitor, and plan treatment for neurological conditions such as tumors, strokes, infections, and multiple sclerosis

What is a Brain MRI Scan?

Magnetic Resonance Imaging (MRI) uses strong magnets, radio waves, and computers to create detailed images of the brain. Unlike X-rays or CT scans, MRI does not use radiation, making it safe for repeated use. It can distinguish between different brain tissues, detect abnormalities, and provide crucial information for diagnosis and treatment

When is a Brain MRI Needed?

A brain MRI may be recommended in these cases:

  • Persistent or severe headaches with neurological symptoms
  • Stroke-like symptoms such as numbness or speech problems
  • Brain tumors, infections, or inflammation
  • Chronic neurological conditions like multiple sclerosis
  • Changes in behavior, memory, or cognition
  • Head injuries

Also Check: Different Types Of MRI Scans and their Uses

How Does a Brain MRI Work?

Preparation

  • Inform your doctor about implants or pacemakers
  • Remove metal objects like jewelry or watches
  • Kidney function may be checked if contrast is required

During the Scan

  • You lie on a motorized bed that slides into the MRI machine
  • Head is stabilized to prevent movement
  • Loud noises are common; ear protection is provided
  • Scan duration: 15–90 minutes

With Contrast

Sometimes a contrast dye highlights blood vessels or abnormal tissue, improving detection of tumors or inflammation

After the Scan

  • Images are reviewed by a radiologist
  • Results are shared with your doctor, usually within a few days

Also Check: Knowing Full-Body MRI

Benefits of Brain MRI

  • High-resolution images of brain structures
  • Non-invasive and radiation-free
  • Detects tumors, strokes, infections, and more
  • Helps in treatment planning and monitoring
  • Safe for repeated scans

Risks and Limitations

  • Certain implants or pacemakers may pose risks
  • Rare allergic reactions to contrast dye
  • Claustrophobia or discomfort in the machine
  • Motion can blur images and require repeat scans
  • High costs in some centers

Latest Advances

  • AI-Assisted MRI: Reduces scan time and improves accuracy
  • High-Field MRI (3T–7T): Provides detailed imaging
  • Optimized Imaging Protocols: Reduce artifacts and improve clarity
  • More Accessible MRI: Affordable solutions in low-resource areas

Also Check: Open vs. Closed MRI Scan: Pros, Cons, and Patient Experience

Brain MRI Cost in India

Costs vary based on machine type, contrast use, hospital, and city. MRI with contrast is higher. Always confirm pricing with the diagnostic center

Preparing for a Brain MRI

  • Fast if contrast is required
  • Wear comfortable clothing without metal
  • Bring previous imaging for comparison
  • Inform your doctor about implants, pregnancy, or allergies
  • Discuss options for claustrophobia

What to Expect

  • Fill out medical history forms
  • Change into a gown if needed
  • Stay still during scanning; noise is normal
  • Usually no downtime post-scan
  • Receive results from your doctor

FAQs

Is a brain MRI safe?

Yes. It does not use radiation

Can pregnant women have an MRI?

Yes, usually after the first trimester. Contrast agents are avoided unless necessary

How long does a brain MRI take?

Typically 15–90 minutes depending on sequences and contrast use

Is it painful?

No, the procedure is painless

How soon will I get results?

1–3 days is common; urgent cases may be faster

Can MRI detect all brain problems?

MRI is powerful but may miss very small lesions. Additional tests may be required for functional evaluation

What is the difference between 1.5T, 3T, and 7T MRI?

“T” refers to Tesla, the magnetic field strength. Higher Tesla provides clearer, faster images

Brain MRI Scan: Everything You Need to Know Read More »

How to Prepare Yourself for Dialysis Side Effects?

Dialysis /

Dialysis can create a number of side effects, including but not limited to, itchy skin; muscle cramps; and high blood pressure. Talk to your care team and your doctor about your concerns or ways to manage or possibly avoid certain side effects or complications.

Most side effects while on dialysis treatment, will be dealt with by your care team. Your care team can observe these side effects and intervene treatment during dialysis which should prevent any potential complications in the future.

Dialysis is an important treatment option for individuals with kidney failure. At the start of treatment, there are potential side effects to know. Some side effects include low blood pressure, imbalance of electrolytes, blood clotting, possible infection, and weight gain, among others. 

Here are some ways mentioned you can understand about How To Prepare Yourself For Dialysis Side Effects?:

Be Prepared For Some Discomfort

Hemodialysis is not painful. However, there may be times during the treatment that you will feel nauseated or vomit. If you do feel nausea let your nurse know as you may be able to have some medication to help with nausea dependent on your medical condition.

Sometimes during the treatment people feel tired and take naps. This can also help relieve nausea. Depending on your personal medical condition you may find that you can read a magazine, do some work on your computer or watch a show on your smart phone. Since your dialysis appointments will be the same days and times each week, most patients establish friendships with the other patients there for dialysis. 

Also Reach: Warning Signs of Kidney Failure

Be Aware Of Cardiovascular Complications of Dialysis 

Dialysis can have some lasting cardiovascular effects. Some of these impacts include low blood pressure, high blood pressure, and pericarditis. Your physician will monitor for these influences but it is always good to know the risks as well.

Low blood pressure or hypotension, may be a side effect of dialysis, especially for those who have diabetes. This can be accompanied by abdominal cramping, vomiting and shortness of breath. Report feeling these symptoms to your dialysis nurse immediately so changes can be made to the settings on your dialysis procedure.

Eating too much sodium or fluid in between sessions can increase blood pressure and heart disease, heart attack and stroke risk.  Depending on your medical needs, the doctor will give advice for sodium and fluid intake limits.

Should the hemodialysis fail, this could lead to pericarditis or inflammation of the membrane surrounding the heart.  This could then reduce the work of the muscle of the heart and lead to a heart attack or stroke.

Note Any Discomfort in Your Body 

Dialysis is not painful but you might feel as if it is uncomfortable at first.  Some common complaints during and after sessions of hemodialysis are muscle cramping and itchiness. 

Although the actual mechanism for why it occurs is not understood, altering your sodium intake between and during treatment will help to control muscle cramping. Itching or rashy skin could also occur both during and after hemodialysis.

Let Your Doctor Know If You Have Insomnia After The Procedure

Talk to your doctor if you have trouble sleeping right after hemodialysis. You may have sleep apnea or restless legs as a result of the procedure. People on peritoneal dialysis do not seem to have this side effect. 

Know That There Is A Chance Anemia Is A Side Effect

Anemia is a common side effect of both kidney failure and dialysis. Erythropoietin is the hormone that regulates red blood cell production but is produced in the kidney. Your doctor will likely want you to have regular blood draws to check your iron levels. 

If you are feeling tired, short of breath, or suspect you have anemia, talk to your doctor.

Discuss Any Mood Changes

Mood changes are also frequent among individuals undergoing dialysis, but these can be treated. Immediately report to your doctor if you feel sad, depressed, or have other interfering mood changes.

Changes in mood can be due to biochemical changes due to dialysis and kidney failure or due to the process.

Support groups and therapy with a therapist or minister may be of assistance when the mood swings are a function of what you are experiencing and not simply from biochemical shifts in your blood.

ALSO CHECK:

Consider the long-term effects of hemodialysis. 

After approximately five years of dialysis your risk of developing amyloidosis increases. Amyloidosis occurs when blood proteins accumulate in joints and tendons causing pain, stiffness and swelling in the joint spaces.

If you believe you are experiencing these symptoms, you should contact your doctor. They will be dependent on your kidney function, health and the prescription for your dialysis. 

Conclusion

Dialysis is a necessary life-sustaining process in patients with kidney (renal) failure but some patients experience side effects, including fatigue, muscle cramping, infection, and mental fatigue. Most of the side effects are not too difficult and likely your team of medical professionals can help you manage these side effects; however, it is still important to be informed and communicate with your physician. 

There are other alternatives (not dialysis) available for patients, such as treating anemia, controlling the blood pressure, or even referring to a transplant if appropriate based on your health care, lifestyle, and medical situation.

Frequently Asked Questions 

Q. What is dialysis, how does it work? 

Dialysis is a treatment for patients who have Kidney Failure. There are two types of dialysis – hemodialysis and peritoneal dialysis. Both types of dialysis do the same thing for the person whose kidneys are failing, which is filter waste and excess fluids from the blood. 

Q. How much does dialysis cost? 

The cost of Dialysis can be anywhere from 1000 – 6000 rs, and more depending on many variables. 

Q. What are the two types of dialysis? 

Hemodialysis and Peritoneal Dialysis are the two types of dialysis.

Q. How would one go about booking dialysis in Delhi? 

You can book your dialysis in Delhi by reaching the carebox. Here you can book this at the lowest cost.

How to Prepare Yourself for Dialysis Side Effects? Read More »

Use of Gadolinium In MRI Hand Scan? And Who Needs It

MRI Scan /

MRI of the hand employs equipment that produces a magnetic field to obtain very precise images of the soft tissue, bone and nerve of the hand that could help the radiologist in diagnosing ligament sprain, tendonitis, fractures and tumors. While undergoing an MRI of the hand, the patient lies down within a big machine while the MRI machine acquires high-resolution images of the hand. What is an MRI Hand Scan and benefits

MRI Hand Scan with Contrast (Gadolinium)

When it’s used: Intravenous injection of contrast agent may be utilized from time to time to enhance the visibility of certain structures or abnormalities. It is particularly useful in:

  • Displaying regions of inflammation more vividly (e.g., synovitis of arthritis)
  • Detecting infections
  • Identifying the nature of masses or tumors
  • Assessing disease of blood vessels or blood flow
  • Different MRI sequences (special arrangements of the magnetic fields and radio waves) are used to highlight different tissue characteristics.

Why Would You Want An MRI of Your Hand?

There are a number of reasons your doctor might be sending you to get an MRI. 

Fractures: Following a fall or trauma, an MRI can detect occult fractures that are not apparent on a normal x-ray.

Arthritis or Joint Problems: Pain, swelling or stiffness can help and MRI in coming to a diagnosis for arthritis, degeneration, or potential dislocation.

Soft Tissue Injuries: An MRI is effective in identifying soft problems such as torn ligaments or tendon trauma and some problems involving the pulley system, which allows your fingers to bend.

Infection or Abnormal Growths: An MRI could be the method to assess for other causes of problems with your hand.

When Should You Get an MRI Hand Scan, and Who Should Have an MRI Hand Scan?

There are certain symptoms your physician might consider when determining whether an MRI Hand scan would be a good idea. These are:

  • Weakness or decreased grip strength in your hand
  • Decreased motion in your wrist or finger joints
  • Potential ligament damage, or tendon damage associated with trauma (i.e. fall, or sports injury)
  • Persistent pain that is linked with the development of symptoms that you are congruent with symptoms related to arthritis

Benefits of the MRI Assessment

The MRI Hand assessment possesses several benefits:

Image Quality: MRI offers high-quality depiction of the complex anatomy of the hand.

Accuracy of Diagnosis: This degree of specification is significant to properly diagnose most of the categories of conditions/injuries to the hand.

Aids Treatment and Planning: The information gained on MRI Hand bone scans helps doctors make the proper treatment plan.

Non-invasive and Safe: MRI Hand tests are non-invasive and do not utilize ionizing radiation.

Identifies Subtle Problems: An MRI Hand test also identifies subtle problems or minor-stage problems that are not detected by other imaging studies. 

Conclusion

An MRI employs a strong magnet to carry out a body imaging scan – this provides very high quality images and is also able to identify very small pathologies at a very early stage. It is necessary to detect these pathologies early and get a certain and definitive diagnosis because this will result in the optimum treatment, and recovery process.

Frequently Asked Questions

Q When would someone need an MRI of their hand?

If you’ve got pain, swelling, and stiffness on a daily basis or you’ve had an injury – you need to talk to your doctor for advice. Your doctor will mention the option to you and if they have the opinion that an MRI is necessary.

Q. Is the MRI test painful?

An MRI is painless. Some find that holding still in the machine for an extended period of time is rather uncomfortable.

Q. Do side effects occur?

MRI scans are safe. There can be some minor side effects such as rash, nausea, or vomiting; but this happens infrequently when a contrast dye is used.

Q. What will the hand MRI reveal?

It will give sharp images of all the structures including bones, joints, ligaments, tendons, muscles, and blood vessels of the hand. So it is beneficial in the diagnosis of fractures and other hand injuries, arthritis, etc.

Q. What are the advantages of MRI with contrast?

Advantages of contrast MRI include enhanced diagnostic capability by detecting slight abnormalities that may be overlooked on a non-contrast study, enhanced objectivity of disease diagnosis such as tumors, infections and inflammatory disease, and detection of disease earlier that might require urgent treatment.

Use of Gadolinium In MRI Hand Scan? And Who Needs It Read More »

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