[Sinonasal hemangiopericytoma].

Hemangiopericytomas are rare perivascular tumors. The nasal cavity and paranasal sinuses are most often involved in the head and neck region. A case of hemangiopericytoma in a 63 year old patient is presented. The initial symptom was recurrent bleeding from the nose. The patient had a history of radiotherapy for a pituitary adenoma 30 years previously… CONTINUE READING