CT SCAN OF BRAIN & CORONALS
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Lab Test
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About The Test
A CT SCAN OF BRAIN & CORONALS is a painless, non-invasive imaging test that captures detailed cross-sectional images of the brain from front-to-back (coronal) and side-to-side (axial) views. At Cadabams Diagnostics, we use advanced 128-slice CT scanners to deliver sharp, high-resolution images in under 10 minutes—helping doctors detect and treat neurological conditions quickly.
2. What is CT Head Coronal Scan?
- Definition: A coronal CT scan slices the brain vertically from ear to ear, providing a top-down view of the frontal and occipital lobes.
- Technology used: Multi-detector CT (MDCT) with low-dose radiation protocols.
- Distinguishing feature: Complements axial slices to give 3D-like clarity for better diagnosis.
3. When and Who Needs to Take a CT Head Coronal Scan?
| Symptoms warranting the scan | Common patient groups |
|---|---|
| Sudden severe headache | Accident victims |
| Blurred or double vision | Chronic migraineurs |
| Slurred speech | Seizure patients |
| Loss of consciousness | Elderly with dementia |
List of Parameters
- Slice thickness: 0.625–1.25 mm
- kVp: 100–120
- mAs: 150–250 (auto-modulated)
- Reconstruction interval: 50 % overlap
- Field of view (FOV): 22–25 cm
Why This Test
- Rule out intracranial hemorrhage post-injury
- Detect skull fractures after road accidents
- Evaluate sinusitis or mastoiditis
- Plan neurosurgical interventions
When to Take Test
Benefits
Benefits of Taking the Test
- Speed: Completed in <10 minutes
- Accuracy: 95 % sensitivity for detecting acute stroke
- Comfort: Open-bore design reduces claustrophobia
- Availability: 24×7 at Cadabams Diagnostics emergency wing
Illnesses Diagnosed with CT scan of Brain & Coronal
- Stroke (ischemic & hemorrhagic)
- Brain tumors (meningioma, glioma)
- Traumatic brain injury (contusion, hematoma)
- Hydrocephalus and midline shift
- Chronic sinus disease
Preparing for test
- Fasting: Not required for non-contrast scans; 4-hour fast if contrast is planned.
- Clothing: Wear loose, metal-free attire.
- Valuables: Remove earrings, hairpins, and piercings.
- Medications: Continue routine medicines unless advised otherwise.
11. Pre-requisites
- Doctor’s prescription or emergency requisition
- Recent serum creatinine report (if contrast is used)
- Allergy checklist form filled at reception
12. Best Time to Take the CT Head Coronal Scan
- Emergency cases: Immediately, day or night.
- Elective cases: Morning slots reduce waiting time.
- Post-injury: Within the golden hour for best treatment outcomes.
13. Eligibility
| Eligible | Not Eligible |
|---|---|
| Adults & children >5 kg | Pregnant women (unless life-saving) |
| Patients with pacemakers | People unable to lie still without sedation |
14. Procedure for Taking a CT Head Coronal Scan
- Registration: Verify ID and consent.
- Positioning: Lie supine, head in the padded cradle.
- Scout scan: Quick topogram to set boundaries.
- Main scan: Table moves every 2–3 seconds; hold breath for <5 seconds.
- Contrast injection (if needed): Via auto-injector, 70–100 ml at 4 ml/sec.
- Post-scan observation: 15 minutes for contrast allergy watch.
15. Caution Before Taking the Test
- Inform about pregnancy or breastfeeding.
- Disclose renal impairment history for contrast plans.
- Bring a responsible adult if sedated.
Test Results
Results and Interpretations
| Finding / Observation | Description | General Interpretation / Significance |
|---|---|---|
| Normal scan | No abnormalities detected | Healthy status |
| Mild inflammation | Slight tissue swelling seen | Requires clinical follow-up |
| Abnormal mass | Unusual density or shadow | Possible pathology; further tests needed |
| Hyperdense area | Bright white patches indicating blood or calcification | Acute hemorrhage or calcification; immediate medical attention required |
| Skull Fracture | A clear break or crack-like line visible in the bones of the skull. | Confirms a traumatic injury to the head. The location and type of fracture are important for determining treatment. |
Risks & Limitations
- Radiation exposure: Equivalent to ~8 months of natural background radiation—well within safe limits.
- Contrast allergy: Rare (0.04%). Inform staff of iodine or shellfish allergy.
- Limitation: Soft-tissue detail slightly lower than MRI; however, bone and acute bleeding are clearer on CT.
5. Types of CT Head Coronal Scan
- Non-contrast CT – Quick emergency scan for bleeding or fractures.
- Contrast-enhanced CT – Highlights tumors, infections, or vascular malformations.
- CT angiography (CTA) – Evaluates blood vessels for aneurysms or blockages.
FAQs
How long does the scan take?
Total time, including prep, is 15–20 minutes; actual scanning lasts 2–5 minutes.
Is the scan painful?
No. You will only feel the table move and hear a soft humming sound.
Can children undergo CT Head Coronal Scan?
Yes. We use pediatric protocols with reduced radiation doses.
Do I need hospital admission?
No. It’s an outpatient procedure. You can go home immediately after.
Is a head CT scan safe?
Yes. While it does use a low dose of radiation, modern CT scanners are designed to minimize exposure. For diagnosing potentially life-threatening conditions like a head injury or stroke, the significant medical benefits far outweigh the minimal risk associated with the radiation dose.