Epidermoid (frontal) and pituitary macroadenoma

Case contributed by Frank Gaillard
Diagnosis almost certain


Bitemporal hemianopia

Patient Data

Age: Adult

This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

At the medial aspect of the right frontal lobe a lobulated lesion demonstrates predominantly low T1 and very high T2 signal with little if any enhancement. Diffusion weighted imaging reveals prominent restricted diffusion.

MRI of the pituitary: same day


Solid and homogeneously enhancing mass enlarging the pituitary fossa, with suprasellar extension, and partial encasement of the right ICA. 

Case Discussion

Appearances of the frontal lobe mass are most consistent with an epidermoid cyst

Additionally as pituitary mass is noted, consistent with a coincidental pituitary macroadenoma.

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