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Epidermoid (frontal) and pituitary macroadenoma

Case contributed by: Dr Frank Gaillard

Presentation:

Presenting with bitemporal hemianopia.

Patient Data:

Age: Adult
From the case: Epidermoid (frontal) and pituitary macroadenoma
Modality: MRI

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T2

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.

From the case: Epidermoid (frontal) and pituitary macroadenoma

MRI of the pituitary: same day

Modality: MRI

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T2

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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