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Washington University Experience | NEOPLASMS (EMBRYONAL) | ATRT - Atypical Teratoid Rhabdoid Tumor | 19C1 ATRT (Case 19) H&E 10X
19C1-5 H&E stained sections show a high-grade malignant neoplasm with a predominantly solid growth pattern and patchy areas of necrosis and hemorrhage. Most of the tumor cells show rhabdoid morphology with abundant eosinophilic cytoplasm and round, eccentric, nuclei with vesicular chromatin and macronucleoli. Intracytoplasmic inclusions are apparent in a subset. Mitoses are numerous. (H&E)
