Hemangioblastoma

Discussion:

The patient went on to have surgery.

Histology

MICROSCOPIC DESCRIPTION: The sections show scattered stromal cells in a background of many capillary-sized blood vessels. Some of the vessels contain foreign body material, consistent with preoperative embolization. The tumor cells have mildly enlarged nuclei with hyperchromasia and foamy vacuolated cytoplasm. Mitoses are inconspicuous. There is no necrosis. The features are those of hemangioblastoma. There is no evidence of malignancy.

FINAL DIAGNOSIS: Hemangioblastoma (WHO Grade I)

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