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Ulnar nerve neuropathy caused by pathologic ossification: a case report.

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Summary
This summary is machine-generated.

Cubital tunnel syndrome can be caused by traumatic accessory ossicles near the elbow. Surgical removal of the ossicle and nerve decompression effectively treated a patient with these rare symptoms.

Keywords:
Accessory bonesCubital tunnel syndromePathologic ossificationUlnar nerve neuropathy

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Area of Science:

  • Orthopedic Surgery
  • Neurology
  • Radiology

Background:

  • Cubital tunnel syndrome is a common nerve entrapment, but accessory ossicles as a cause are rarely documented.
  • Accessory ossicles, whether congenital or traumatic, can occur around the elbow joint and potentially compress nerves.

Observation:

  • A 30-year-old female presented with classic cubital tunnel syndrome symptoms, including sensory deficits and weakness.
  • Radiographs revealed an accessory ossicle within the ulnar sulcus, linked to a prior elbow dislocation.
  • Electromyography (EMG) confirmed ulnar nerve neuropathy at the elbow.

Findings:

  • Surgical extirpation of the accessory ossicle and ulnar nerve decompression led to rapid symptom resolution.
  • The patient remained symptom-free for 12 years post-surgery, indicating a successful treatment outcome.

Implications:

  • This case highlights traumatic accessory ossicles as a treatable cause of cubital tunnel syndrome.
  • Surgical intervention, including bone removal and nerve decompression, is recommended for such cases.
  • Further research into congenital accessory bones causing ulnar nerve compression is warranted.