title: An asymptomatic abdominal nodule in a 5-year-old boy.
authors.affiliation: Department of Clinical and Experimental Medicine, University of Bologna, Italy.
authors.forename: A
authors.initials: A
authors.lastname: Patrizi
authors.forename: M F
authors.initials: MF
authors.lastname: Vespignani
authors.forename: L
authors.initials: L
authors.lastname: Rizzoli
authors.forename: B
authors.initials: B
authors.lastname: Passarini
mesh_terms: D002675:Child, Preschool; D018219:Histiocytoma, Benign Fibrous / Q000473:pathology*; D006801:Humans; D007889:Leiomyoma / Q000473:pathology*; D008297:Male; D012878:Skin Neoplasms / Q000473:pathology*