title: Generalized granuloma annulare in a folliculocentric distribution.
abstract: We present a 69-year-old man with type 2 diabetes mellitus and a five-year history of an eruption of follicular pustules, papules, and nodules, which was identified histopathologically as folliculocentric granuloma annulare (GA). Folliculocentric generalized GA is a rarely reported variant of GA, in which the the palisading histiocytes form focal granulomas in a follicular pattern. In this case, the GA may represent an isotopic phenomenon, with lesions developing in hair follicles that were previously affected by a suppurative folliculitis.
authors.affiliation: New York University School of Medicine.
authors.forename: Lisa R
authors.initials: LR
authors.lastname: Rothman
authors.forename: Adnan
authors.initials: A
authors.lastname: Mir
authors.forename: Shane A
authors.initials: SA
authors.lastname: Meehan
mesh_terms: D000368:Aged; D001706:Biopsy; D016460:Granuloma Annulare / Q000473:pathology*; D018859:Hair Follicle / Q000473:pathology*; D006644:Histiocytes / Q000473:pathology*; D006801:Humans; D008297:Male