Pineal Parenchymal Tumors: A Clinicohistopathological Study from a Tertiary Care Institute in India.

摘要

ABSTRACT Pineal parenchymal tumors are rare neoplasms of pineocytes lying along a broad spectrum of differentiation, from well differentiated lesions cured by simple excision to rapidly growing, disseminating tumors resistant to chemoradiotherapy. WHO partitioned this continuum into grades: I-Pineocytoma, II/IIIPineal parenchymal tumor of intermediate differentiation and papillary tumor of the pineal region and IVPineoblastoma. To study the incidence and histopathological features of pineal par.