Qudrigeminal cistern lipoma and multiple anatomic variations of intracranial arteries
Diagnosis almost certain
Presentation
Follow-up of prior pituitary microadenoma.
Patient Data
Age: 35 years
Gender: Male
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In the right quadrigeminal cistern an about 9 mm strikingly T1 hyperintense lesion is visible with peripheral signal loss due to chemical shift.
Multiple anatomic variations of the intracranial arteries:
- fetal origin of the left posterior cerebral artery
- fenestrated anterior communciating artery
- accessory anterior cerebral artery
Thin, hypoplastic pituitary compared to age group and gender.
Dynamic postcontrast pituitary sequences normal (not shown).
Case Discussion
Incidental, stable quadrigeminal cistern lipoma, and multiple anatomic variations of intracranial vessels.
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