Related Experiment Video
Updated: Aug 14, 2026

09:43
Primary Orthotopic Glioma Xenografts Recapitulate Infiltrative Growth and Isocitrate Dehydrogenase I Mutation
Published on: January 14, 2014
Glycogen-rich meningioma. Case report and short review
1Department of Neurosurgery, Hanyu Hospital, Saitama, Japan.
Neurosurgical Review
|January 1, 1991
Abstract:
A case of meningioma with cytoplasm rich in glycogen granules is described as an atypical type of meningotheliomatous meningioma.
Insights
This study describes an atypical meningioma characterized by cytoplasm abundant in glycogen granules. This finding contributes to understanding rare meningioma subtypes.
Area of Science:
- Neuropathology
- Oncology
Background:
- Meningiomas are tumors arising from the meninges.
- Meningotheliomatous meningioma is a common subtype.
- Atypical meningiomas exhibit specific histological features.
Observation:
- A specific case of meningioma exhibited cytoplasm unusually rich in glycogen granules.
- This histological feature suggested an atypical variant.
Findings:
- The observed case was classified as an atypical meningotheliomatous meningioma.
- The presence of abundant glycogen granules is a key distinguishing feature.
Implications:
- This case expands the known histological spectrum of meningiomas.
- Understanding glycogen-rich variants may refine diagnostic criteria.
- Further research into the pathobiology of these variants is warranted.

