Hemangiopericytoma is a rare primary tumor originating from Zimmerman's pericytes, with
significant metastatic potential. Hepatic metastatic disease requires an aggressive approach …

7.459, 562 B2 12/2008 Borzilleri et al. 7,714, 138 B2 5, 2010 Borzilleri et al. 7.851, 489 B2
12/2010 Borzilleri et al. 7,858,623 B2 12/2010 Kim et al. 7,989.477 B2 8, 2011 Borzilleri et …

Introduction: Hemangiopericytomas usually occur in the soft tissue and skeletal system.
They rarely present in the spinal canal as a primary tumor. There are several case reports …

Hemangiopericytoma is a rare primary tumor originating from Zimmerman's pericytes, with
significant metastatic potential. Hepatic metastatic disease requires an aggressive approach …

Hemangiopericytoma is a rare tumor with malignant potential. About 1,000 cases have been
reported in the literature up to date. The presentation in the nose and paranasal sinuses is …