MRI ORBITS - WITHOUT CONTRAST
Also Known As
Lab Test
₹8000
1K+ people booked this test
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NABH Accredited
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6hrs
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About The Test
What this orbital scan looks for
- Swelling or inflammation of the optic nerve
- Extra-ocular muscle enlargement (common in thyroid eye disease)
- Bulging or displaced eyeball (proptosis)
- Fractures or foreign bodies after trauma
- Tumors or cysts inside or behind the eye
Why choose Cadabams Diagnostics
- Same-day booking and early-morning slots
- Child-friendly technologists and open-MRI option for claustrophobia
- Zero-radiation, zero-contrast protocol—safe for kids and pregnant patients (after first trimester)
- Digital reports delivered to your phone or e-mail within hours
List of Parameters
- Optic nerve diameter—checks for swelling or atrophy
- Extra-ocular muscles—size, symmetry, and signal changes
- Globe integrity—detached retina, hemorrhage, or foreign body
- Orbital fat and bony walls—fractures, masses, or inflammatory changes
Why This Test
- Sudden vision loss—rule out optic neuritis or ischemia
- **Proptosis (bulging eye)**—identify thyroid eye disease or tumors
- Trauma evaluation—detect fractures, hemorrhage, or foreign bodies
- Persistent eye pain or redness—exclude orbital cellulitis or abscess
When to Take Test
Common vision symptoms that indicate the test
- Sudden or gradual vision loss
- Double vision (diplopia)
- Bulging or protruding eye (proptosis)
- Persistent eye pain or redness
- Recent eye injury or trauma
Pediatric vs adult indications
- Children >5 years: Evaluate congenital optic-nerve anomalies, orbital cellulitis, or trauma.
- Adults: Screen for thyroid eye disease, optic neuritis, tumors, or unexplained visual disturbances.
Benefits
Benefits of Taking the Test
- Non-invasive and radiation-free—safe for all age groups
- Detailed soft-tissue contrast—superior to CT for optic nerve and muscle evaluation
- Same-day digital reports—accessible via Cadabams portal or WhatsApp link
Illnesses Diagnosed with MRI Orbits - Without Contrast
- Optic neuritis—inflammation of the optic nerve
- Orbital cellulitis—infection of orbital tissues
- Graves’ ophthalmopathy—thyroid-related eye muscle enlargement
- Orbital tumors—benign or malignant masses behind the eye
Preparing for test
Instructions (fasting not required)
- Eat and drink normally.
- Arrive 15 minutes early for registration.
Remove metal objects
- Take off jewelry, watches, hairpins, and hearing aids.
- Leave wallets and phones in secure lockers.
Fill out safety screening form
- Disclose pacemakers, cochlear implants, or any metal implants.
- Inform staff if you are pregnant or claustrophobic.
Pre-requisites
- Recent creatinine not needed—no contrast dye used.
- Doctor’s prescription or referral—bring printed or digital copy.
Best Time to Take the MRI Orbits Without Contrast
- Early morning slots—shorter waiting time, faster report turnaround.
- Same-day booking—available until 4 p.m. on weekdays.
Eligibility
- Adults and children >5 years—younger kids may need sedation (discuss with pediatric radiologist).
- Pregnancy safety—generally safe after first trimester; consult your obstetrician.
Procedure for Taking a MRI Orbits Without Contrast
- Check-in at reception with ID and prescription.
- Change into gown if clothing has metal.
- Lie on scanner table—head in a specialized eye coil for sharp images.
- Immobilization—soft pads keep your head still; avoid movement.
- Scan—20 minutes of loud knocking sounds; wear earplugs.
- Communication—two-way intercom lets you speak to the technologist at any time.
Caution Before Taking the Test
- Inform about pacemakers or implants—some devices are MRI-conditional.
- Claustrophobia management options—open MRI or mild oral sedation on request.
Test Results
Results and Interpretations of MRI Orbits Scan without Contrast
Region/Structure Imaged | Radiologist's Observation/Description (Example) | Potential Significance / What it Might Indicate (General) |
---|---|---|
Enlarged extra-ocular muscles | Suggests thyroid eye disease | Endocrinology referral |
Mass behind globe | Possible tumor | Contrast MRI or biopsy |
Fracture of orbital wall | Post-traumatic change | ENT or maxillofacial consult |
Extraocular Muscles | Diffuse enlargement of the inferior rectus and medial rectus muscles bilaterally, particularly affecting the muscle bellies with sparing of the tendinous insertions. | This is a characteristic finding in thyroid eye disease (Graves' ophthalmopathy). |
Optic Nerves | Thickening and increased signal intensity of the left optic nerve. | May suggest inflammation (e.g., optic neuritis), ischemia (reduced blood flow), or less commonly, an infiltrative process like a tumor. |
Orbital Soft Tissues | A well-defined, ovoid, homogenously T1 hyperintense and T2 hyperintense lesion is noted in the superior lateral aspect of the right orbit, consistent with a dermoid cyst. | Specific benign finding. The report would further describe its size, location, and effect on adjacent structures. |
Risks & Limitations
No radiation, no dye—minimal risk profile
- Zero ionizing radiation—safe for repeated follow-ups.
- No contrast dye—no risk of nephrotoxicity or allergic reactions.
- Non-invasive—no needles or sedation required in most cases.
Limitations in detecting subtle vascular lesions
- Small blood-vessel abnormalities (e.g., micro-aneurysms) may be missed.
- If vascular detail is critical, a contrast study or MR angiography can be scheduled later.
FAQs
Does it hurt?
No. The scan is painless and non-invasive.
Can I drive after the scan?
Yes, unless you took sedation—then arrange a driver.
How much does it cost?
Prices start at ₹8,000 ; check the Cadabams website for current offers.
Is sedation available for kids?
Yes, mild oral sedation can be arranged for anxious children.
Will insurance cover it?
Most policies cover orbital MRI; our front desk can pre-authorize on your behalf.