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Papers of the Week

2022 Mar

Asian J Neurosurg



Intracranial Myopericytoma: A Rare Benign Tumor at an Extremely Rare Location.


Shrivastav A K, Garg M, Aiyer H M, Sharma G, Prachi P
Asian J Neurosurg. 2022 Mar; 17(1):100-104.
PMID: 35873834.


A 50-year-old female presented with a history of seizures, headache, nausea, and vomiting. On imaging, parafalcine meningioma with mass effect features was rendered. She underwent right frontal tumor excision and craniotomy. Pathological examination showed a tumor composed of syncytial aggregates of round to plump fusiform cells forming whorls around prominent branching congested vessels. The tumorous cells expressed α-smooth actin and heavy-chain caldesmon and were negative for epithelial membrane antigen, protein S100, HMB45, CD34, calponin, and desmin, thus providing the final diagnosis of intracranial myopericytoma. The rarity of this benign tumor at an extremely rare location prompted this study. As preoperative radiological investigations are nonspecific in such cases, a detailed and comprehensive pathological examination is mandatory to come to a definitive diagnosis.