clear cell meningioma

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clear cell meningioma2016-11-13T07:31:19+00:00

clear cell meningioma 

clear cell meningioma image froom New Medical Terms

clear cell meningioma

PATHOLOGY

An uncommon atypical–WHO grade 2–meningioma which usually affects younger females and is often located infratentorially–e.g., at the cerebellopontine angle and cauda equina

Differential diagnosis Renal cell carcinoma.

Imaging–MRI Findings of typical meningioma, accompanied by leptomeningeal enhancement

Management Surgical excision

Prognosis 60% of clear cell meningiomas recur

Micro Whorled, syncytial architecture, spindled-to-polygonal, bland-appearing nuclei and vacuolated, glycogen-rich cytoplasm. Stromal and perivascular hyalinization  may result in extensive areas of fibrosis in older tumors; mitoses are rare.

Synonym Glycogen-rich meningioma 

Reference http://www.archivesofpathology.org/doi/pdf/10.5858/arpa.2012-0216-CR 

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