Pediatric Posterior Shoulder Dislocation

• Etiology: Often related to seizure or electric shock
• Imaging: Document dislocation and other fracture or loose body
• DDX:
• Complications:
  — Reverse Hills Sachs deformity is impaction injury of posterosuperior glenoid on anteromedial humeral head which affects top 2 centimeters of humeral head
  — Reverse Bankart lesion – impaction injury of posterior and superior glenoid
• Treatment: Reduction
• Clinical: Posterior shoulder dislocation seen 3% of time

Radiology Cases of Posterior Shoulder Dislocation