title: A rare case of Rosai-Dorfman disease of the paranasal sinuses.
abstract: An unusual case of a 6-year-old male child presenting with a history of bilateral nasal obstruction of 3 years duration is reported. Endoscopic surgery was performed and the specimen sent for histopathological examination. The report revealed the surprise diagnosis of Rosai-Dorfman disease. This case of isolated extranodal involvement (paranasal sinuses) by this disease is presented and the literature available reviewed.
authors.affiliation: Department of ENT, Safdarjung Hospital, J-37, Sector 25, NOIDA, 201301 New Delhi, India.
authors.forename: L
authors.initials: L
authors.lastname: Gupta
authors.forename: K
authors.initials: K
authors.lastname: Batra
authors.forename: G
authors.initials: G
authors.lastname: Motwani
keywords: Histiocytosis; functional endoscopic sinus surgery; paranasal sinuses; sinus