title: A growing mass on the shoulder.
authors: Department of Emergency Medicine, National Hospital Organization Mito Medical Center, Ibaraki, Japan.
authors: Yusuke
authors: Y
authors: Tsutsumi
authors: Asuka
authors: A
authors: Tsuchiya
authors: Koji
authors: K
authors: Ishigami
authors: Toru
authors: T
authors: Terashima
authors: Masanori
authors: M
authors: Koizumi
mesh_terms: D000058:Accidental Falls; D003288:Contusions / Q000209:etiology; D006406:Hematoma / Q000209:etiology / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009456:Neurofibromatosis 1 / Q000150:complications; D000070599:Shoulder Injuries; D040521:Subcutaneous Tissue / Q000098:blood supply*; D014057:Tomography, X-Ray Computed