%0 Journal Article %T Small cell neuroendocrine carcinoma of the sinonasal region %A Salazar-Guilarte JX %A Gras-Albert JR %J Revista de la Sociedad Otorrinolaringol¨®gica de Castilla y Le¨®n, Cantabria y La Rioja %D 2012 %I Sociedad Otorrinolaringol¨®gica de Castilla y Le¨®n, Cantabria y La Rioja %X Malignant tumours of nose and paranasal sinuses are rare, accounting for less than 1% of all malignancies and approximately 3% of those arising in the head and neck. Small cell neuroendocrine carcinoma of the sinonasal region is an epithelial high grade carcinoma resembling malignancies of pulmonary origin, with a very aggressive clinical course that often recurs after treatment. Here, we report a case of a postirradiated tumour located in the posterior ethmoid sinus, with the current management and treatment. %K carcinoid tumor %K small cells %K neuroendocrine carcinoma %K paranasal sinuses %K treatment. %U https://sites.google.com/site/revistasociedadorlclcrcarga/home/revistaorl201207_neuroblastoma.pdf?attredirects=0&d=1