Late partial dissociation of a humeral head morse taper associated with periprosthetic proximal humeral fracture a case report

Alan H. Lee, Matthew Dilisio, Jon J P Warner

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Abstract

A fifty-two-year-old man who had undergone total shoulder arthroplasty ten years previously presented following a mechanical fall onto his operatively treated shoulder, resulting in a periprosthetic humeral fracture and partial dissociation of the humeral head from the stem. Conclusion: Shoulder surgeons should consider late disengagement of the Morse taper as a potential cause of surgical failure. Partial late dissociation of the humeral head from the stem after shoulder arthroplasty is possible and can be associated with a fracture. The shoulder surgeon should be aware of this potential complication when evaluating periprosthetic proximal humeral fractures, emphasizing the importance of attention to detail when evaluating patients.

Original languageEnglish
Article numbere34
JournalJBJS Case Connector
Volume6
Issue number2
DOIs
Publication statusPublished - 2016

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All Science Journal Classification (ASJC) codes

  • Surgery
  • Orthopedics and Sports Medicine

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