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Background <p>The head-split fracture is a&#xa0;rare type of proximal humerus fracture involving the joint surface of the humeral head.</p> Case presentation <p>A&#xa0;56-year-old female patient presented at our clinic after falling on her outstretched arm. Imaging and clinical diagnostics revealed a&#xa0;three-part humeral head fracture with a&#xa0;displaced articular head-split component, which could not be clearly classified according to any existing classification system. Surgical treatment was performed using open reduction and screw osteosynthesis of the head-split component. Additional plate osteosynthesis, which is usually used in such cases, was not performed. Fourteen weeks postoperatively, the patient was symptom free and able to resume activities of daily living.</p> Conclusion <p>This case demonstrates the variable fracture morphology of head-split fractures, which require precise imaging for accurate assessment and identification of fracture morphology. Isolated surgical treatment of the head-split component can represent an adequate therapeutic option in the presence of non-displaced concomitant fractures.</p>

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Mehrfragmentäre Humeruskopffraktur mit atypischer Head-split-Komponente – Fallbericht einer Operationstechnik mit isolierter Schraubenosteosynthese

  • 期刊论文

  • 发表日期：

    2026年2月27日

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  • Stefanie Häusler,
  • Frank Martetschläger,
  • Mark Tauber

摘要

Background

The head-split fracture is a rare type of proximal humerus fracture involving the joint surface of the humeral head.

Case presentation

A 56-year-old female patient presented at our clinic after falling on her outstretched arm. Imaging and clinical diagnostics revealed a three-part humeral head fracture with a displaced articular head-split component, which could not be clearly classified according to any existing classification system. Surgical treatment was performed using open reduction and screw osteosynthesis of the head-split component. Additional plate osteosynthesis, which is usually used in such cases, was not performed. Fourteen weeks postoperatively, the patient was symptom free and able to resume activities of daily living.

Conclusion

This case demonstrates the variable fracture morphology of head-split fractures, which require precise imaging for accurate assessment and identification of fracture morphology. Isolated surgical treatment of the head-split component can represent an adequate therapeutic option in the presence of non-displaced concomitant fractures.