Sinonasal Glomangiopericytoma: A Case Report and Literature Review

Glomangiopericytoma is a rare vascular tumor arising from the pericytes surrounding capillaries, and accounts for less than 0.5% of all sinonasal tumors. The aim of this study is to describe our recent experience of sinonasal glomangiopericytoma and thoroughly review our collected data on the basis of age/sex, location, associated diseases, clinical symptoms, endoscopic findings, image findings, pathology, and treatment. We found 21 articles (19 case reports and 2 review articles) relevant to our search since 2005. The mean age was 58.05 years, ranging from 19 years to 86 years with a female to male ratio of 3:1 (15:5). The most frequent site of origin was the nasal septum followed by the paranasal sinuses. The most common symptom was nasal obstruction, followed by epistaxis, headache, facial pain or pressure, and anosmia in decreasing order. Computed tomography was the most common imaging technique used to evaluate sinonasal glomangiopericytoma which the most common mentioned CT finding was soft tissue density mass with enhancement. The most common treatment modality was complete surgical excision through transnasal endoscopic surgery