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Rare Presentation of Supratentorial Primitive Neuroectodermal Tumors Mimicking Bifocal Germ Cell Tumors: 2 Case
Kamon Phuakpet1, Valerie Larouche, Cynthia Hawkins
1*Department of Pediatrics, Division of Hematology/Oncology, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand Divisions of †Haematology/Oncology §Pathology, The Hospital for Sick Children, University of Toronto, Toronto, ON ‡Department of Haematology/Oncology, CHU de Quebec, QC, Canada.
Abstract:
Bifocal pineal and suprasellar tumors have only been described in the context of germ cell tumors in the pediatric age group. We report 2 patients with radiologic findings of bifocal pineal and suprasellar lesions, with a histologic diagnosis of supratentorial primitive neuroectodermal tumor. The absence of diabetes insipidus and other endocrine abnormalities was noteworthy in both cases. This observation challenges previous reports on the pathognomonic value of this clinico-radiologic entity.
