title: Musculoskeletal case of the day. Parosteal osteosarcoma of the humerus.
authors.affiliation: Department of Radiology, Georgetown University Medical Center, Washington, DC 20007.
authors.forename: M A
authors.initials: MA
authors.lastname: Stull
authors.forename: M
authors.initials: M
authors.lastname: Glass-Royal
mesh_terms: D001859:Bone Neoplasms / Q000175:diagnosis*; D006801:Humans; D006811:Humerus; D008297:Male; D008875:Middle Aged; D012516:Osteosarcoma / Q000175:diagnosis*; D012782:Shoulder