Abstract
SUMMARY Introduction: Carcinoid tumors are neuroendocrine tumors that are usually located on the gas- trointestinal system, but infrequent in the sinus area. Description: The case of a 55-year-old woman with a unilateral nasal mass is described. The pathological analysis shows histological and immunohistochemical characteristics compatible with atypical carcinoid tumor. Discussion: Carcinoid tumors may be typical or atypical according to their degree of differentiation. Although rare, they should be considered in differential diagnosis of unilateral polyposis. Treatment is essentially surgical. Conclusions: This case highlights the importance of histopathological analysis of all unilateral nasal lesions.
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