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Histopathological features of central nervous system hemangioblastoma. Representative permanent sections highlighting how hemangioblastomas are highly vascular neoplasms and may contain (A) abundant capillaries, (B) large branching vessels, and/or (C) areas of hemorrhage. (D) Stromal cells contain abundant foamy vacuolated cytoplasm. (E) Nuclear atypia may be seen in some stromal cells. (F) Hemangioblastomas often from well-demarcated border with adjacent brain parenchyma.
