MRI BRAIN+ANGIOGRAM
Also Known As
SENIOR
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FAMILY
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Certified Labs
NABH Accredited
Reports in
6hrs
Measures
No description available
Identifies
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About The Test
Difference Between Standard Brain MRI and Added Angiography
- Brain MRI alone: shows tissue—tumours, swelling, bleeds.
- MRI + Angiography (MRA): adds a detailed map of arteries and veins.
How Magnetic Resonance Angiography (MRA) Maps Vessels
MRA uses a powerful magnetic field and radio waves to create 3D pictures of blood flow. Contrast dye is sometimes injected to sharpen vessel outlines, revealing blockages, bulges (aneurysms) or tangled vessels (AVMs).
List of Parameters
- Intracranial artery diameter
- Aneurysm size & neck morphology
- Stenosis percentage (narrowing)
- Venous sinus patency (clot detection)
Why This Test
- Detect unruptured aneurysms before they bleed.
- Evaluate arteriovenous malformations (AVMs).
- Plan neurosurgery or interventional coiling/stenting.
- Monitor known vessel disease after treatment.
- Investigate “mini-stroke” (TIA) symptoms.
When to Take Test
Benefits
Benefits of Taking the Test
- Zero radiation—safe for children and repeated follow-ups.
- 3T high-resolution—pinpoints 1 mm lesions.
- Single-session imaging—brain and vessels in 25–30 minutes.
- Same-day reports—soft copy emailed; hard copy ready in 2 hours.
Illnesses Diagnosed with MRI - Brain with Angiogram
| Condition | What We Look For |
|---|---|
| Brain aneurysms | Berry-shaped outpouchings on vessels |
| Arterial stenosis or occlusion | Narrowed or blocked arteries |
| AVM & dural fistulas | Abnormal tangles of vessels |
| Venous thrombosis | Clots in cerebral veins or sinuses |
Preparing for test
- Fasting: 4 hours if contrast is planned; plain MRA does not require fasting.
- Medications: take your regular pills with a sip of water.
- Kidney function blood test: required within 30 days for contrast studies.
- Pregnancy check: urine test for women of child-bearing age.
- Best slot: elective morning appointments minimise waiting.
Eligibility
- Age: 5 years and above (paediatric coil available).
- Weight limit: up to 150 kg on our wide-bore table.
- Implant safety: screening form covers pacemakers, stents, joint screws, IUDs.
Step-by-Step Procedure
- Arrival & registration: 15 minutes early.
- Safety checklist: remove jewellery, cards, hearing aids.
- Positioning: lie head-first; cushions stabilise the head.
- Scan: 15 minutes for non-contrast, 25 minutes with contrast.
- Contrast injection: IV line in arm; may feel cool sensation for 10 seconds.
- Comfort measures: music, fan, emergency squeeze ball.
- Post-scan: light refreshments; observation for 10 minutes (if contrast used).
Caution Before the Test
- Disclose all implants—even dental crowns.
- Inform about kidney disease—we may adjust contrast dose.
- Anxious? Oral sedation (5 mg Diazepam) can be taken 30 min prior; bring an escort if sedated.
Test Results
Results and Interpretations
| Finding / Observation | Description | General Interpretation/Significance (Illustrative) |
|---|---|---|
| Intracranial artery diameter | 2–4 mm | <2 mm: possible stenosis |
| Aneurysm neck | <4 mm | ≥7 mm: high rupture risk |
| Stenosis percentage | <50 % | >70 %: may need stent |
| Venous sinus flow | Patent | Obstructed: thrombosis |
| 5 mm aneurysm | Round bright sac at anterior communicating artery | Elective coiling recommended |
| 80 % stenosis | Narrowed middle cerebral artery | Consider angioplasty |
| Venous clot | Dark filling defect in sagittal sinus | Start anticoagulation |
| Normal Venous Anatomy | Major dural sinuses and deep cerebral veins appear patent with expected signal characteristics. No thrombus or flow abnormalities identified. | Excludes cerebral venous sinus thrombosis. Confirms normal venous drainage of the brain. |
Risks & Limitations
- Contrast allergy: rare, but we screen kidney function first.
- Claustrophobia: our wide-bore 3T scanner and music headsets help; light sedation is available.
- Metallic implants: pacemakers, cochlear implants, or older aneurysm clips may be contraindicated.
FAQs
How long does the scan take?
25–30 minutes total; 15 minutes for non-contrast studies.
Is contrast injection painful?
No—just a quick IV; you may feel a cool flush.
When will reports be ready?
Soft copy within 2 hours; printed report same day.
Can I drive home after?
Yes, unless you took sedation—then bring a companion.
Does insurance cover the test?
Most corporate and government panels cover MRI Brain+Angiogram. Our front desk pre-authors in 15 minutes.
Is it safe to have an MRI if I'm pregnant?
MRI is generally considered a safe imaging modality during pregnancy if the information is essential for the care of the mother or fetus, as it does not use ionizing radiation. However, it is typically used with caution, especially during the first trimester. Gadolinium-based contrast agents are usually avoided during pregnancy unless the potential benefits clearly outweigh the potential risks to the fetus. If you are pregnant or suspect you might be, you must inform your doctor and the staff at Cadabams Diagnostics before your MRI - BRAIN+ANGIOGRAM.