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Revista de otorrinolaringología y cirugía de cabeza y cuello

versión On-line ISSN 0718-4816

Resumen

CANTILLANO P, Pablo; ARAVENA C, Carlos; NASER G, Alfredo  y  NAZAR S, Rodolfo. Glomangiopericytoma: a case report. Rev. Otorrinolaringol. Cir. Cabeza Cuello [online]. 2016, vol.76, n.3, pp.301-307. ISSN 0718-4816.  http://dx.doi.org/10.4067/S0718-48162016000300008.

Glomangiopericytoma is an extremely rare sinonasal tumor, more common among elderly and women. Although its etiology and pathogeny are unknown, there are certain predisposing factors, such as arterial hypertension, pregnancy, trauma and corticosteroids. To diagnose this tumor, it is necessary imaging, histopathologic and inmunohistochemical studies. At the microscopic study, it is characterized by a prominent perivascular growth of oval-shaped or fusiform cells, arranged in short fascicles separated by capillary vessels of variable diameters, with staghorn-like ramifications, and lmmunohistochemistry positive mainly for actin, XIII-A factor and vimentin. Clinically, this tumor has a generally benign behavior, but with high recurrence percentage. We present the case of a 71 years old woman, with history of hypertension, who present in our center with a 5 years history of purulent rhinorrhea and right unilateral epistaxis, at the physical exam there is a polypoid mass in the right nasal fossa with rich vascularization, with no other findings. This tumor was resected entirely with endoscopic surgery. Histology and immunohistochemistry were compatible witch gomangiopericytoma. The patient evolve with remission of her symptoms and with no signs of recurrence at two-month follow-up.

Palabras clave : Glomangiopericytoma; sinonasal hemangiopericytoma; sinonasal tumor; sinonasal glomus tumor.

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