Meningioma - microcystic

Discussion:

The patient went on to have a craniotomy and resection. 

Histology

MICROSCOPIC DESCRIPTION:

The sections show a moderately hypercellular meningioma. This is intensely vascular and shows a mixture of meningothelial and microcystic architectures. Tumor cells show moderate nuclear and cellular pleomorphism. An occasional mitotic figure is identified (1/20HPF). No areas of necrosis are identified and there is no evidence of brain invasion. Dural attachment is noted.

FINAL DIAGNOSIS: microcystic meningioma

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