Hemangiopericytoma, is a mesenchymal tumor originated from pericytes
, manifests flesh-colored or bluish - red firm , nodular asymtomatic masses in
the head, neck, lower limbs, retroperitoneum and etc, that grows slowly.
Local recurrence is common and metastasis to lung is reported. Treatment
of choice is surgical excision. Before biopsy and histopathological
examination , diagnosis of the lesion is difficult and must be differentiated
from other malignant tumors. In this article, a case of hemangiopericytoma
in the frontal area and left eye is reported and we reviewed the clinical
and pathological aspects, pathogenesis and treatment of the tumor .
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