Cholesterol granuloma, orbit

More common sites for a cholesterol granuloma include the petrous apex, middle ear and mastoid antrum. The lesion, when in the orbit, presents as an extraconal mass, in the superior-temporal quadrant. Differential diagnosis includes the lacrimal gland tumors. Although post-contrast T1-weighted scans are presented, the lesion was hyperintense pre-contrast (and specifically demonstrated only peripheral enhancement). […] [...]


A 15 month old female infant. [...]

Optic Sheath Meningioma

This 54 year old female patient presented with subtle, progressive, partial loss of sight involving the left eye. Clinical exam showed papilledema and atrophy of the optic nerve on the left. [...]