MRI ORBIT
Also Known As
Lab Test
₹8000
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NABH Accredited
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6hrs
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About The Test
Purpose of the scan
- Detects causes of vision loss, bulging eyes or orbital trauma
- Guides treatment decisions for tumours, infections or inflammation
- Monitors chronic conditions like Graves’ ophthalmopathy
Why choose Cadabams Diagnostics
- Same-day slots with morning priority
- 24/7 emergency service for trauma cases
- In-house radiologists for faster reporting
- Comfort-first approach with music, sedation and claustrophobia support
List of Parameters
- Globe – shape, size, retinal detachment, foreign bodies
- Optic nerve – thickness, signal changes, compression
- Extraocular muscles – swelling, thickening or rupture
- Orbital fat – inflammation, herniation
- Lacrimal gland – enlargement, masses
- Bony orbit – fractures, bone erosion by tumours
Why This Test
- Unexplained vision loss – rule out optic nerve disease.
- Proptosis or orbital mass – identify tumour vs infection.
- Trauma evaluation – detect fractures or haemorrhage unseen on CT.
When to Take Test
Benefits
Benefits of Taking the Test
- High-resolution soft-tissue detail up to 0.5 mm.
- No radiation exposure – safe for children and during pregnancy (after first trimester).
- Early detection of treatable conditions like optic neuritis or small tumours.
Illnesses Diagnosed with MRI Orbit
- Optic neuritis – inflammation of the optic nerve.
- Orbital tumours – benign (cavernous haemangioma) or malignant (lymphoma).
- Graves’ ophthalmopathy – thickened eye muscles and fat expansion.
Preparing for test
- 4-hour fasting only if contrast is planned.
- Remove all metallic objects – jewellery, hairpins, dentures, hearing aids.
- Inform our staff about pacemakers, implants, pregnancy or claustrophobia.
Pre-requisites
- Recent creatinine report (within 4 weeks) if contrast is planned.
- Signed consent form after screening questionnaire.
Best Time to Take the MRI Orbit
- Early morning slots (7–9 am) for minimal waiting.
- Emergency availability 24/7 for trauma or sudden vision loss.
Eligibility
- Age: From newborns to 90 + years.
- Pregnancy: After first trimester; no contrast unless essential.
- Pacemaker: Most modern MRI-conditional pacemakers are accepted; check with our team.
Procedure for Taking a MRI Orbit
- 20–30 minute scan time total.
- Positioning: Lie on your back; head rests in the coil.
- Communication: Two-way intercom and panic button keep you connected to the technologist throughout.
Caution Before Taking the Test
- Contrast allergy screening – list any previous reactions.
- Sedation options – small dose of oral or IV sedative for anxious patients.
Test Results
Results and Interpretations
| Finding / Observation | Description | General Interpretation / Significance |
|---|---|---|
| Intra-orbital mass | Well-defined, homogenous lesion | Likely benign tumour (e.g., haemangioma) |
| Optic nerve T2 hyperintensity | Bright signal on T2 images | Possible optic neuritis |
| Orbital Mass | Presence of abnormal tissue or lesion within the orbit. | May be benign (e.g., cavernous hemangioma) or malignant. Requires further assessment—often includes MRI features, possible biopsy, or CT. |
| Extraocular muscle thickening | Enlarged medial & inferior recti | Suggests Graves’ ophthalmopathy |
| Inflammatory Changes | Swelling, fluid collection, or abnormal tissue signal suggesting inflammation or infection. | Seen in orbital cellulitis, orbital pseudotumor, or systemic inflammatory disorders. May require urgent treatment. |
| Orbital fracture | Cortical break at orbital floor | Indication for surgical repair |
| Optic Nerve Compression | Displacement or flattening of the optic nerve due to adjacent structure(s). | May cause vision loss or changes. Requires evaluation of cause (e.g., tumor, aneurysm, enlarged muscle), and often, prompt treatment. |
| Foreign body | Hypointense linear object | Metallic or glass fragment—needs removal |
Risks & Limitations
Contrast allergy & kidney considerations
- Gadolinium contrast is safe in 99 % of patients; mild reactions (itching, rash) occur rarely.
- A recent creatinine test is needed if you have kidney disease.
Claustrophobia tips
- Listen to music or audiobooks via headphones.
- Use our open-bore or wide-bore MRI machines.
- Mild oral sedation available on request.
FAQs
Is MRI orbit painful?
No. The scan is painless; you only feel the table move gently.
Can I eat before an orbit MRI?
Yes, unless contrast is planned—then fast 4 hours.
When will I get my orbit MRI report?
- Routine: Same evening
- Emergency: 30 minutes post-scan
Is contrast absolutely necessary?
Not always. It depends on what your doctor is looking for. We will discuss this before the scan.
What if I’m claustrophobic?
Inform us in advance. We offer open-bore MRI and mild sedation to keep you comfortable.
What is the purpose of using contrast in an MRI Orbit?
The MRI orbit scan with contrast purpose is to enhance the visibility of certain tissues and abnormalities. The contrast agent, typically Gadolinium-based, accumulates in areas of increased blood flow or where the normal blood-tissue barrier is disrupted. This helps radiologists at Cadabams Diagnostics to better see and characterize inflammation (like in optic neuritis), infections, tumors (highlighting their vascularity and extent), and abnormalities in blood vessels. It provides more detailed diagnostic information for many conditions affecting the eye sockets.