Imaging features of a rare case of Sinonasal glomangioperitytoma.

Abstract

Glomangiopericytoma (GPC) is a rare unique sinonasal mesenchymal neoplasm arising from the pericytes surrounding the capillaries. It constitutes < 0.5 % of all sinonasal neoplasms. It is categorised as a borderline or low-malignant potential tumour by the World Health Organisation (WHO). Only a few cases of Glomangiopericytoma of sinonasal cavity have been reported so far. We report a case of a 48-year-old female who presented with features of nasal obstruction and epistaxis. She underwent contrast enhanced CT of paranasal sinuses which showed an avidly enhancing mass involving predominantly the right sinonasal cavity. It is important to recognize this highly vascular lesion and differentiate it from other malignant and inflammatory lesions affecting the sinonasal cavity as it can result in frequent episodes of epistaxis. Complete surgical resection and follow up is essential due to its high recurrence rate.