MRI BRAIN PLAIN
Also Known As
Lab Test
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6hrs
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About The Test
What is MRI Brain Plain?
MRI Brain Plain is a magnetic-resonance imaging test that captures high-resolution pictures of the brain without injecting gadolinium contrast. Powerful magnets and radio waves build 3-D images, helping doctors spot problems early.
Key Benefits Over Contrast MRI
- No injection: Ideal for patients with kidney issues or dye allergies.
- Shorter session: Skipping contrast saves 10–15 minutes.
- Lower cost: Plain scans are typically 20–30 % less expensive.
- Zero contrast side-effects: No nausea, rashes, or rare systemic reactions.
List of Parameters
Brain Structures Examined
- Cerebral cortex and lobes
- Brainstem and cerebellum
- Ventricular system
- Pituitary gland
- Optic nerves and orbits (partial view)
Abnormalities Detected
- Mass lesions (tumors, cysts)
- Bleeding or clots (acute/subacute stroke)
- Demyelinating plaques (MS)
- Atrophy patterns (Alzheimer’s)
- Traumatic contusions or shearing injuries
Why This Test
- Early detection of neurological disorders before symptoms worsen.
- Monitoring of known multiple sclerosis or tumor size.
- Pre-surgical mapping for epilepsy or tumor resection.
- Post-injury follow-up after concussion or head trauma.
When to Take Test
Benefits
Benefits of Taking the Test:
- No radiation exposure: Repeat scans are completely safe.
- High-resolution imaging: 3-D reconstruction down to 1 mm slices.
- Quick turnaround: Reports ready within 2–4 hours at Cadabams Diagnostics.
- Comfortable environment: Music headsets and lighting reduce anxiety.
Illnesses Diagnosed with MRI Brain Plain
- Stroke: Early ischemic changes, hemorrhage location.
- Tumors: Gliomas, meningiomas, metastases.
- Multiple Sclerosis: Periventricular and callosal plaques.
- Traumatic Brain Injury: Micro-bleeds, diffuse axonal injury.
Preparing for test
Instructions
- Wear metal-free clothing or change into provided scrubs.
- Remove jewelry, watches, hairpins, hearing aids, and piercings.
- Fast only if instructed—rarely needed for plain scans.
Prerequisites
- Bring doctor’s prescription and valid ID.
- Complete a metal-screening checklist.
Eligibility
- All age groups, including infants (sedation arranged if needed).
- Safe for patients with titanium implants and most cardiac stents (bring implant card).
Procedure for Taking a MRI Brain Plain
- Check-in 15 minutes early for paperwork.
- Screening: Cadabams staff verify safety questions.
- Positioning: You lie on the table with a cushioned head coil.
- Scan: Expect loud knocking; earplugs provided. Stay still for 15–25 minutes.
- Exit: Resume normal activities immediately.
Caution Before Taking the Test
Inform staff if you have:
- Pacemaker or neurostimulator
- Cochlear implants
- Recent surgery with metal clips
- Pregnancy or kidney disease
Test Results
Results and Their Interpretation
| Finding/Observation Example | Description | General Interpretation/Significance (Discuss with your doctor) |
|---|---|---|
| Normal brain volume | No atrophy or swelling | No evidence of degenerative disease |
| High signal in white matter | Bright spots on T2/FLAIR | Possible MS plaques or microvascular changes |
| Hypointense lesion on T1 | Dark spot | Could indicate tumor or old hemorrhage |
| Mass effect | Shift of midline structures | Suggests space-occupying lesion or edema |
| Acute infarct | Restricted diffusion on DWI | Early stroke; urgent treatment needed |
| No Evidence of Acute Intracranial Hemorrhage | MRI sequences sensitive to blood (GRE/SWI) show no signs of recent bleeding inside or around the brain. | A positive finding—rules out recent hemorrhage as a cause of symptoms like headache, weakness, or altered mental status. |
Risks & Limitations
Safety Profile
- No radiation: Safe for children and pregnant women (after first trimester).
- Minimal risk: Rare heating of implants or dislodged metal fragments.
Limitations vs. Contrast MRI
- Small lesions near blood vessels may be missed.
- Inflammation activity is harder to gauge without contrast enhancement.
- Tumor grading sometimes needs post-contrast sequences.
FAQs
How long does an MRI Brain Plain take?
15–25 minutes inside the scanner, plus 15 minutes preparation.
Is fasting required?
No, unless you’re also having an MR spectroscopy add-on.
When will I receive my results?
Reports are released within 2–4 working hours.
Can I drive home after the scan?
Yes, no sedation is used.
Is MRI Brain Plain safe for children?
Absolutely; child-friendly staff and optional anesthesia support are available.
What if I feel claustrophobic?
Ask for an open MRI or mild oral sedative prescribed beforehand.