Rathke cleft cyst

Case contributed by A.Prof Frank Gaillard

Presentation

No presenting history available.

Patient Data

Age: Adult
Gender: Male
CT

CT brain

Arising from the pituitary fossa is a rounded hyperdense mass which does not convincingly enhance following contrast administration. 

MRI

MRI pituitary

MRI demonstrates the mass to be well circumscribed, with intrinsic high T1 signal and no enhancement. On T2 weighted images the mass appear of high signal with a prominent inferior low intensity 'dot'. 

The optic chiasm is elevated and compressed.

Case Discussion

This case demonstrates classic appearances of Rathke cleft cyst including the near-pathognomonic 'dot' of non-enhancing material within the cyst.

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Case information

rID: 5327
Case created: 3rd Jan 2009
Last edited: 5th Jan 2016
Inclusion in quiz mode: Included

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