CT Scan of the Brain: Purpose, Preparation, Procedure, Results & Price

CT Scan of the Brain: Purpose, Preparation, Procedure, Results & Price

What is a CT scan of the brain?

A CT scan of the brain, also known as a computed tomography scan of the brain or cranial CT scan, is a medical imaging procedure that uses X-rays and computer technology to create detailed cross-sectional images of the brain and surrounding structures.


It is a valuable diagnostic tool used by healthcare professionals to assess and diagnose various neurological conditions and injuries.


Brain/Head CT Scan

Here are the basic details for the Brain/Head CT Scan.

Also Known As Cranial CT Scan, Head CT Scan
Type Diagnostic Imaging
Purpose Used to diagnose conditions like head injuries, tumors, bleeding, strokes, and neurological disorders
Preparation Typically, no special preparation required
Fasting Usually, fasting is not necessary
Gender All genders
Age-Group All age groups, including infants and the elderly
Procedure Duration Usually 5-15 minutes for the scan itself
Report Time 3-6 hours
Cost 1000 - 3000 INR*
Pregnancy Consideration Generally considered safe during pregnancy, especially after the first trimester.
Risks and Safety Low radiation exposure; minimal risks
Accessibility Available in hospitals and imaging centers.

*Price range may vary as per location, facility, type, and procedure.


What are the Purpose or Reasons for a CT Scan of the Brain?

Here are common reasons for a CT scan of the brain:

  • Head Trauma
  • Brain Tumors
  • Stroke
  • Intracranial Hemorrhage
  • Seizures and Epilepsy
  • Headaches (severe or atypical)
  • Hydrocephalus
  • Infections (e.g., abscesses, meningitis)
  • Neurological Disorders
  • Sinus and Skull Issues
  • Evaluation of Blood Vessels (CT angiography)
  • Preoperative Planning
  • Monitoring Treatment
  • Dementia Evaluation


CT Scan of Brain Price, Purpose, Preparation, Procedure and Results - Drlogy Test


Preparing for Your Brain CT Scan: Tips and Information

Before the CT Scan:

  1. Consultation: Schedule the CT scan and discuss any concerns or medical history with your healthcare provider.

  2. Fasting: In most cases, fasting is not required, but follow any specific instructions provided by your healthcare team.

  3. Medications: Inform your healthcare provider about any medications you are taking. You may be asked to temporarily stop certain medications, especially if they contain contrast dye.

  4. Allergies: If you have a known allergy to contrast dye or iodine, inform your healthcare provider beforehand.

  5. Clothing: Wear comfortable, metal-free clothing. You may be asked to change into a hospital gown.

  6. Metal Objects: Remove metal objects, jewelry, and accessories, as they can interfere with the scan.


During the CT Scan:

  1. Positioning: Lie down on the CT scanner table, and the technician will position you correctly, often securing your head in place.

  2. Communication: You'll be able to communicate with the technician via an intercom during the scan.

  3. Remain Still: It's crucial to remain as still as possible during the scan to obtain clear images.

  4. Breath-Holding: You may be asked to hold your breath briefly to reduce motion artifacts during specific scans.

  5. Contrast Dye (if used): If contrast dye is required, it may be injected into a vein through an IV during the scan. You might feel a warm sensation.


After the CT Scan:

  1. Recovery: There is typically no special recovery needed. You can usually resume normal activities immediately.

  2. Hydration: Drinking water can help flush any remaining contrast dye from your system, so staying hydrated is a good practice.

  3. Results: Your CT scan results will be reviewed by a radiologist, and a report will be sent to your healthcare provider.

  4. Follow-Up: Schedule a follow-up appointment with your healthcare provider to discuss the results and the next steps, if necessary.

  5. Medications: If you temporarily stopped any medications, resume them as directed by your healthcare provider.

Remember that these instructions may vary depending on your specific medical condition and the protocols of the healthcare facility. Always follow the guidance provided by your healthcare team to ensure a successful and safe CT scan of the brain.


Who Performs a Head CT Scan?

  1. Radiologic Technologist: Specially trained technologists or radiographers who operate the CT scanner and ensure the quality of the images.

  2. Radiologist: A medical doctor with expertise in medical imaging who interprets the CT scan results and provides a diagnosis.


Brain CT Scan Procedure

The procedure for a brain CT scan typically follows these steps:

  1. Check-In: When you arrive at the medical facility, you'll need to check in at the reception or imaging department.

  2. Preparation: If necessary, you may be asked to change into a hospital gown and remove any metal objects or jewelry that could interfere with the scan.

  3. Medical History: You may have a brief discussion with the healthcare team about your medical history, any allergies, and medications you're taking.

  4. Contrast Dye (if used): If contrast dye is required for your scan, a healthcare provider will insert an intravenous (IV) line into a vein, usually in your arm.

  5. Positioning: You'll be positioned on the CT scanner table, often with your head secured in a brace or cushion to minimize movement.

  6. Communication: You'll be able to communicate with the technician via an intercom or other communication system.

  7. Scan: The CT scanner will move around you to capture detailed cross-sectional images of your brain. It's essential to remain as still as possible during the scan.

  8. Contrast Injection (if used): If contrast dye is needed, it may be injected through the IV during the scan. You might feel a warm sensation or a metallic taste.

  9. Breath-Holding (if necessary): In some cases, you may be asked to briefly hold your breath during specific scans to reduce motion artifacts.

  10. Scan Completion: Once the scan is complete, you'll be asked to wait briefly while the technician reviews the images to ensure they are clear.

  11. Removal of IV (if used): If contrast dye was administered through an IV, the IV line will be removed.

  12. Post-Scan: There is typically no special recovery needed, and you can usually resume normal activities immediately.

  13. Results: The CT scan images will be reviewed by a radiologist who will generate a report for your healthcare provider.

  14. Follow-Up: Schedule a follow-up appointment with your healthcare provider to discuss the results and any further steps if necessary.


CT Scan of Brain Results

Here are some common elements you might find in a CT scan of the brain report:

  1. Patient Information: This section contains your name, date of birth, and other identifying information.

  2. Clinical History: Information provided by your referring physician regarding the reason for the CT scan.

  3. Technique: Details about how the scan was performed, including the type of CT scanner used and whether contrast dye was administered.

  4. Findings: This is the most critical section and includes the radiologist's observations. It may cover:

    • Brain Structures: The report will describe the appearance of various brain structures, including the cerebral cortex, ventricles, and cerebellum.
    • Abnormalities: Any abnormalities detected, such as tumors, cysts, bleeding, or areas of ischemia (reduced blood flow).
    • Trauma: In the case of head trauma, the report may note any fractures or other injuries.
    • Vascular Issues: Evaluation of blood vessels and potential issues such as aneurysms or arteriovenous malformations.
    • Sinuses: Assessment of the paranasal sinuses for issues like sinusitis.
  5. Impressions: A summary of the radiologist's findings, typically including the diagnosis or their impression of the condition.

  6. Recommendations: If further evaluation or medical follow-up is necessary, the report may include recommendations for additional tests or consultations with specialists.

  7. Conclusions: A final statement or conclusion regarding the overall assessment.

It's important to note that only a qualified healthcare professional, such as your referring physician or a neurologist, can provide a definitive interpretation of the CT scan report. They will discuss the results with you, explain the implications, and recommend any necessary treatments or follow-up actions based on the findings.


How Long Does a Brain CT Scan Take?

Aspect of Brain CT Scan Duration
Preparation and Check-In 10-15 minutes
Actual Scan (without contrast dye) 5-10 minutes
Actual Scan (with contrast dye) 10-15 minutes
Total Time (without contrast dye) 15-25 minutes
Total Time (with contrast dye) 20-30 minutes


CT Scan Brain Report

Brain CT Scan Report - Drlogy


Brain CT Scan Report Sample PDF


Brain CT Scan Limitation

Here are some limitaion associated with a brain CT scan:

  • Limited Soft Tissue Detail: Brain CT scans may not provide as much soft tissue detail as an MRI, making it less suitable for certain conditions like small tumors or inflammation.
  • Limited Functional Information: CT scans primarily show structural information; they do not provide functional data such as blood flow or metabolic activity, which can be crucial for some diagnoses.
  • Radiation Exposure: Although the radiation dose is low, repeated CT scans may accumulate radiation exposure, raising concerns about potential long-term risks.


Brain CT Scan Risk Factors

Here are some risk factors associated with a brain CT scan:

  • Radiation Exposure: CT scans involve ionizing radiation, which carries a small risk of long-term radiation-related effects, especially with repeated scans.
  • Contrast Dye Allergy: If contrast dye is used, there is a risk of an allergic reaction, though it is relatively rare.
  • Pregnancy Consideration: While the radiation exposure in a single CT scan is generally considered safe for most adults, it may not be recommended during pregnancy, especially in the first trimester, unless the benefits outweigh the risks.


Exploring the Safety of CT Brain Scans: Myth vs. Reality

Myth Reality
CT scans are entirely risk-free. While CT scans are generally safe, they do involve ionizing radiation, which carries a small risk of long-term effects, especially with frequent or repeated scans.
CT scans always require the use of contrast dye. Not all CT scans of the brain require contrast dye. Its use depends on the specific clinical need and the information sought by the physician.
Brain CT scans can detect all brain abnormalities. CT scans are excellent for detecting certain brain conditions like bleeding, tumors, and fractures. However, they may not provide the same level of detail as MRI for some soft tissue and functional assessments.
A higher radiation dose in a CT scan is always better for accuracy. CT scans are optimized to use the lowest possible radiation dose while maintaining diagnostic quality. Using excessive radiation unnecessarily increases the patient's exposure without substantial benefit and should be avoided.
A single CT scan during pregnancy can harm the fetus. A single CT scan during pregnancy, particularly after the first trimester, is unlikely to harm the fetus. However, as a precaution, it's generally avoided during the first trimester unless the benefits clearly outweigh the risks.


Brain CT Scan Price

Here are the estimated Brain CT Scan Price in India with different top cities:

City Price Range (INR)*
Mumbai 1000 - 2500
New Delhi 1000 - 3000
Bangalore 1500 - 3000
Hyderabad 1000 - 3000
Kolkata 1200 - 2500
Pune 1000 - 2800
Lucknow 1000 - 3000
Noida 1000 - 3000
Surat 1000 - 3000
Gurugram 1100 - 2800
Patna 1000 - 3000
Chennai 1200 - 3000
Jaipur 1100 - 2800
Ahmedabad 1000 - 3000

*Prices are approximate and range may vary as per location, facility, type, and procedure.



  • Computed tomography of the head - Wikipedia [1].
  • Computed Tomography (CT or CAT) Scan of the Brain (2).


favorite_border 46856 Likes

Brain CT Scan FAQ

Which is better MRI or CT Scan for brain?

Whether an MRI (Magnetic Resonance Imaging) or a CT (Computed Tomography) scan is better for evaluating the brain depends on the specific clinical situation and what the healthcare provider is trying to assess.

MRI for Brain:


  • Provides highly detailed images of soft tissues, making it excellent for detecting small abnormalities and subtle changes in the brain.
  • Does not use ionizing radiation, which is advantageous for pregnant women and repeated imaging.
  • Can capture images in multiple planes (e.g., axial, sagittal, coronal) without repositioning the patient.
  • Ideal for assessing neurological conditions, tumors, multiple sclerosis, and soft tissue abnormalities.


  • MRI is generally more time-consuming than CT scans, which can be a concern for patients with claustrophobia or those who cannot remain still for an extended period.
  • Some patients may not be suitable candidates for MRI due to metallic implants or claustrophobia.
  • Cost is typically higher than CT scans.


CT Scan for Brain:


  • Extremely fast imaging, making it suitable for patients who cannot tolerate lengthy scans.
  • Excellent for detecting acute bleeding in the brain (e.g., after head trauma or stroke).
  • Can be performed on patients with metallic implants (although there may still be some limitations).


  • Uses ionizing radiation, which can be a concern for repeated imaging or pregnant women.
  • Provides less detailed images of soft tissues compared to MRI.
  • May not be as effective in detecting small tumors or subtle abnormalities in the brain.

The choice between MRI and CT for brain imaging depends on the clinical context and the specific diagnostic needs. In cases where a high level of detail is required to assess soft tissue structures or when evaluating chronic neurological conditions, an MRI is typically preferred.


However, for acute situations like head trauma or suspected bleeding in the brain, a CT scan's speed and ability to detect acute abnormalities can be advantageous. The healthcare provider will consider these factors when ordering the appropriate imaging study.


What is a Brain CT Scan?

A Brain CT (Computed Tomography) scan is a medical imaging procedure that uses X-ray technology to create detailed cross-sectional images of the brain. It helps in diagnosing and evaluating various neurological conditions.

Why is a Brain CT Scan performed?

Brain CT scans are conducted to assess various brain-related issues, including head injuries, strokes, tumors, infections, bleeding, and other neurological disorders. It aids in determining the cause of symptoms like headaches, dizziness, and cognitive problems.

Is a Brain CT Scan safe?

Generally, Brain CT scans are safe when performed by trained professionals. However, it involves radiation exposure, so the risk is higher for pregnant individuals. The benefits of the scan should always outweigh the potential risks, and alternatives may be considered.








Drlogy Testclose

Top Test

Profile Test

Medical Condition

Sample Test

Test Category

The Power To Health

Copyright © 2024 Drlogy. All rights reserved.