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Microcystic Meningioma: A case report.
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HOME > J Pathol Transl Med > Volume 28(2); 1994 > Article
Case Report Microcystic Meningioma: A case report.
Gyeong Sin Lee, Il Seon Lee, Bang Hur, Man Ha Hur
Journal of Pathology and Translational Medicine 1994;28(2):185-190
DOI: https://doi.org/
1Department of Pathology, Kosin Medical College, Pusan, Korea.
2Dongrae BongSaeng Hospital, Pusan, Korea.
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Microcystic meningioma, a distinct morphological variant of meningiomas, is histologically characterized by a vacuolated appearance with multiple cystic spaces lined by vacuolated or stellate-shaped tumor cells. We report a case of microcystic meningioma occuring in right frontoparietal area of 42-year-old woman, with emphasis on differential diagnosis, along with a review of literatures. Immunohistochemically, most of the tumor cells demonstrated positive immunoreactivity for both epithelial membrane antigen and vimentin. Electron microscopy showed that the extracellular space was extensive, where eletron-lucent material was occasionally seen. The tumor cells had long cytoplasmic processes showing complex interdigitation and a large number of desmosomes.


J Pathol Transl Med : Journal of Pathology and Translational Medicine