Quadrigeminal cistern lipoma

Case contributed by Hidayatullah Hamidi
Diagnosis certain

Presentation

Siezures.

Patient Data

Age: 20 years
Gender: Female
mri
This study is a stack
Axial
T2
This study is a stack
Axial
T1
This study is a stack
Axial
FLAIR
This study is a stack
Axial
Gradient Echo
This study is a stack
Axial T1
C+ fat sat
This study is a stack
Axial
DWI
This study is a stack
Axial
ADC
This study is a stack
Sagittal
T2
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Info

Fat signal intensity lesion (1.7 x 1.7 x 1.2 cm) in the quadrigeminal cistern showing blooming artifact in T2* GRE sequence. No features of obstruction to cause hydrocephalus.
No other gross abnormality in the cranial fossa.

Case Discussion

Quadrigeminal cistern lipoma is a known entity.

It follows the signal of fat in all sequences and shows blooming artifact on GRE/SWI sequences.

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