Vascular rich tumor arising from pericytes surrounding the endothelial lining of blood vessels.

Can occur in virtually any site of the body.

Sarcomatous type tumor.

Accounts for less than 1% of brain tumors.

Majority of cases occur between 40-45 years of age.

Propensity to recur either locally or regionally.

Recurrences are generally late.

Tumors show vascularity with arteriovenous shunts.

80% of cases have hemorrhage and necrosis within the tumors.

Hstologically positive for mesenchymal marker vimentin.

Surgical resection is the pref2242ed treatment and postoperative radiation useful when complete resection not achieved.

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