Glomangiopericytoma is a rare vascular neoplasm originating in modified perivascular glomus-like myoid cell. This tumor predominantly involves the sinonasal region but accounts for less than 0.5% of all sinonasal neoplasm. Majority of the patients presents in the sixth and seventh decade of life, the average being 50 years. A literature review of the last 10 years did not reveal any adolescent patient suffering from this type of neoplasm. A 15 years old girl presented with right nasal obstruction, endoscopic examination of the nose revealed a painless mass obstructing the right nasal cavity with normal nasal mucosa. CT and MRI scan revealed a right nasal cavity mass causing deviation of the nasal septum. Histological examination confirmed the diagnosis of glomangiopericytoma. It is important for the otolaryngologist to consider this type of neoplasm in adolescent to facilitate prompt diagnosis and treatment.
 

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