Presentation
Headaches with visual disturbances.
Patient Data
Age: 35 years
Gender: Female
From the case:
Quadrigeminal cistern lipoma
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Small well defined lesion in the right paramedian region of the quadrigeminal cistern eliciting a high signal on T1, T2 and FLAIR, attenuated on sagittal T1 fat sat sequence with blooming artifact on GE. No enhancement is seen on postcontrast sequence.
Signs of idiopathic intracranial hypertension:
tortuosity of both optic nerves
enlarged subarachnoid spaces around the optic nerves
mild flattening of the posterior sclera
enlarged Meckel cave bilaterally
partially empty sella turcica
Case Discussion
MRI features most consistent wit quadrigeminal cistern lipoma (incidental finding) in a patient with idiopathic intracranial hypertension.
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