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Case Presentation: A 64-year-old man presented to the emergency department with a chief complaint of left shoulder pain after a mechanical fall from standing. Plain radiography revealed a displaced fracture of the inferior glenoid rim. A computed tomography further characterized the fracture and the patient was taken emergently by an orthopedic surgeon for open reduction and internal fixation.Discussion: Scapula fractures, especially isolated glenoid rim fractures, are rare and most typical of high-energy mechanism traumas. A missed or delayed diagnosis can result in long-term suffering and disability. Awareness of radiographic as well as physical findings and the subsequent classification system described below can optimize outcomes for trauma patients with glenoid fractures.

Case Presentation: A 64-year-old man presented to the emergency department with a chief complaint of left shoulder pain after a mechanical fall from standing. Plain radiography revealed a displaced fracture of the inferior glenoid rim. A computed tomography further characterized the fracture and the patient was taken emergently by an orthopedic surgeon for open reduction and internal fixation.Discussion: Scapula fractures, especially isolated glenoid rim fractures, are rare and most typical of high-energy mechanism traumas. A missed or delayed diagnosis can result in long-term suffering and disability. Awareness of radiographic as well as physical findings and the subsequent classification system described below can optimize outcomes for trauma patients with glenoid fractures.

肩甲骨頚部骨折に，同側の鎖骨骨折または肩鎖関節脱臼を合併したものはfloating shoulderと呼ばれており，過去にも報告が散見される.体幹と上肢との連結部が損傷されsuperior suspensory shoulder complexが破綻するため，上肢は不安定な状態となる場合もあり，転位が5mm以上の場合手術療法も考慮される.今回我々は，floating shoulderに肩甲棘骨折ならびに関節窩骨折を合併した症例を経験したので報告する.