title: Recurrent calcified cutaneous nodule of the perianal region.
authors.affiliation: University of Bologna, Bologna, Italy.
authors.forename: Annalisa
authors.initials: A
authors.lastname: Patrizi
authors.forename: Federica
authors.initials: F
authors.lastname: Giacomini
authors.forename: Federica
authors.initials: F
authors.lastname: Bianchi
authors.forename: Cosimo
authors.initials: C
authors.lastname: Misciali
authors.forename: Iria
authors.initials: I
authors.lastname: Neri
mesh_terms: D000293:Adolescent; D001003:Anal Canal; D002114:Calcinosis / Q000473:pathology; D003937:Diagnosis, Differential; D006644:Histiocytes / Q000473:pathology; D006801:Humans; D008287:Malacoplakia / Q000473:pathology*; D008297:Male; D012008:Recurrence; D012871:Skin Diseases / Q000473:pathology*