title: Pathologic quiz case: persistent localized inguinal adenopathy in a man. Sinus histiocytosis with massive lymphadenopathy (Rosai-Dorfman Disease).
authors.affiliation: Department of Pathology, Evanston Northwestern Healthcare, Evanston, Ill, USA.
authors.forename: Yelena
authors.initials: Y
authors.lastname: Kalugina
authors.forename: Curtis R
authors.initials: CR
authors.lastname: Hall
authors.forename: Richard S
authors.initials: RS
authors.lastname: Berk
authors.forename: Charles D
authors.initials: CD
authors.lastname: Sturgis
mesh_terms: D000328:Adult; D004487:Edema / Q000209:etiology / Q000473:pathology*; D015618:Histiocytosis, Sinus / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D007264:Inguinal Canal / Q000473:pathology*; D008297:Male