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Washington University Experience | NEOPLASMS (GLIAL) | Ependymoma, tanycytic | 1H1 Ependymoma, tanycytic (Case 1) EM 2 - Copy

1H1,2 Electron microscopic examination failed to reveal definitive evidence of ependymal differentiation such as zipper-like intercellular junctions. However, there are prominent intermediate filament laden processes and a few structures consistent with cilia (arrow, 1H2). Also pertinent, the tumor cells are not enclosed in basement membrane.

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