Causa poco común de obstrucción nasosinusal recurrente: Enfermedad de Rosai-Dorfman

the rosai-dorfman disease corresponds to a rare disease with less than 1,000 reported cases. their clinical characteristics correspond to a volume increase in cervical nodes, there is an extranodal involvement as the only manifestation of between 25%% and 50%% of cases. the sinonasal location has been previously reported. diagnosis is based on histopathology with the phenomenon of emperipolesis with cells positive for s-100 protein. this disease is often confused with malignancy, so it must be recognized and suspected. a case of a patient 15 years with a history of longstanding nasal obstruction, with multiple recurrences of rosai-dorfman disease, demonstrated by histopathology.