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Washington University Experience | NEOPLASMS (MESENCHYMAL, NON-MENINGOTHELIAL) | Hemangioblastoma | 16B1 Hemangioblastoma (Case 16) H&E 11

16B1-5 Sections show a highly vascular cellular tumor with stromal cells which, in some areas, contain multiple or solitary vacuoles. Numerous thin walled vessels are present throughout the specimen forming a dense network. The tumor cells have small round to ovoid nuclei with homogeneous chromatin staining and inconspicuous nucleoli. Occasional forms are hyperchromatic. Frequent patches of extramedullary hematopoiesis/erythropoiesis are noted.

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