Quadrigeminal cistern lipoma

Case contributed by Dr Lana Pshtiwan


Headache and fever for a few days.

Patient Data

Age: 55 years
Gender: Male


A well-defined lesion is seen on the right side at quadrigeminal cistern just posterior to the tectum/midbrain with minimal mass effect, follow fat signal in all giving MRI sequences with blooming on Gradient sequence, in keeping with quadrigeminal lipoma, in addition to the bilateral mastoiditis.



A fat density lesion is seen in the quadrigeminal cistern in keeping with lipoma.

Case Discussion

Considering patient symptom, a finding of the quadrigeminal cistern lipoma is incidental, the HU on CT -100 and on MRI it follows fat intensity in all sequences.

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Case information

rID: 69088
Published: 28th Jun 2019
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included
Institution: The Arab Board Of Health Specializations

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