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Year : 2017  |  Volume : 60  |  Issue : 3  |  Page : 381-384

Meningioma with the unique coexistence of secretory and lipomatous components: A case report with immunohistochemical study


1 Department of Pathology, Grant Government Medical College, Mumbai, Maharashtra, India
2 Department of Pathology, B.K.L. Walawalkar Rural Medical College, Ratnagiri, Maharashtra, India

Correspondence Address:
Bhushan M Warpe
Department of Pathology, B.K.L. Walawalkar Rural Medical College, Ratnagiri, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/IJPM.IJPM_123_16

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Meningioma is the most common extra-axial neoplasm which accounts for 30% of all intracranial tumors with a female predilection. These tumors exhibit a broad spectrum of differentiation potency corresponding to different histological subtypes. Meningothelial cells can rarely show separate secretory or lipomatous (metaplastic) transformation. The coexistence of these two different histological subtypes in a single meningeal tumor is extremely rare with only two reported cases. We report an uncommon case of meningioma in a 40-year-old female showing histological admixture of both secretory and lipomatous (metaplastic) meningioma, which to our knowledge is only the third reported case in the world. It highlights the multipotency of phenotypic transformation of primary meningothelial cells. This rare tumor behaves in a fashion similar to benign meningioma of WHO Grade I type.


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