Radiology Neuroradiology a1a025a0

T1W MRI of the orbit is shown below, probable diagnosis?

Melanoma

Retinoblastoma

Optic Glioma

Meningioma

High-Yield Explanation

Melanin is T1 hyperintense Lentiform homogenously hyperintense lesion on T1W MRI in adults - Choroidal Melanoma Isointense/ Slightly hyperintense lesion on T1W - MRI in children with intraorbital calcificaitns - Retinoblastoma.

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T1W MRI of the orbit is shown below, probable diagnosis?

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