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Schwannoma of the Ulnar Nerve at Distal Humerus A Case Report

Author

Listed:
  • Konstantinos Ditsios
  • Ioannis Theodoroudis
  • Nikolaos Papadakis
  • Lazaros Kostretzis
  • Panagiotis Konstantinou
  • Anastasios Christodoulou

    (First Department in Orthopaedics and Trauma Surgery, Aristotle University of Thessaloniki, Greece)

Abstract

We report a case of a female patient that presented in our outpatient department with notable muscle weakness in her right arm during the last year. Careful clinical examination revealed a palpable mass on the medial side of the right distal humerus with positive tinel sign and paresthesias along the ulnar side of her forearm. Magnetic resonance imaging showed a soft-tissue mass with 3.8 X 2.4 cm size possibly emerging from the right ulnar nerve just proximal to the elbow joint. Excisional biopsy confirmed the diagnosis of a rare type of ulnar’s nerve schwannoma. Histologically the mass consisted of typical Antoni A areas with no signs of axon differentiation, whereas the immune histo chemistry examination revealed Schwann cell origin. Fourteen months post-operatively the patient has no motor weakness or paraesthesias and is very satisfied with the outcome.

Suggested Citation

  • Konstantinos Ditsios & Ioannis Theodoroudis & Nikolaos Papadakis & Lazaros Kostretzis & Panagiotis Konstantinou & Anastasios Christodoulou, 2017. "Schwannoma of the Ulnar Nerve at Distal Humerus A Case Report," Orthopedics and Rheumatology Open Access Journals, Juniper Publishers Inc., vol. 7(1), pages 38-40, May.
    • Handle: RePEc:adp:joroaj:v:7:y:2017:i:1:p:38-40
    DOI: 10.19080/OROAJ.2017.07.555710
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