Ruptured dermoid and subarachnoid hemorrhage

Case contributed by Dr Andrew Lawson

Presentation

Acute headache.

Patient Data

Age: 60
Gender: Female

There is acute subarachnoid hemorrhage, with a moderate amount of blood seen in the left sylvian cistern and left convexity, and small amount of blood in the third ventricle and occipital horns. There is mild hydrocephalus. Findings are suspicious for a left MCA trifurcation aneurysm. There is also a ruptured right parasellar dermoid cyst, that measures 3.2 cm in size.

DSA (angiography)

An irregular/lobulated laterally-projecting left MCA M1 bifurcation aneurysm is confirmed.

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Case information

rID: 26097
Published: 29th Nov 2013
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included

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