Meningioma in the middle cranial fossa

Discussion:

This case demonstrates an extra-axial tumor arising on the floor of the left middle cranial fossa/anterior portion of the petrous bone, which shows to be stable compared to the previous follow-up imaging. Despite the local mass effect with edema in the left inferior temporal gyrus, the patient was referred to be asymptomatic. 

The radiological features are strongly suggestive to a meningioma, and in the context of this patient, no other differential is considered. 

Observation is recommended in older patients when the tumor is small and asymptomatic.

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