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Washington University Experience | NEOPLASMS (GLIAL) | Ependymoma - Microscopic | 14B1 Ependymoma, Anaplastic (Case 14) H&E 17

14B1,2 This is a glial neoplasm with ependymal features and variable histological findings. Many areas of the neoplasm show a vaguely nodular growth pattern that contain densely cellular areas separated from one another by bands of acellular and spindled tissue. The neoplastic cells have round to ovoid nuclei with fine stippled chromatin and inconspicuous nucleoli. Tumor cells have eosinophilic cytoplasm and indistinct cell borders.

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