J Korean Soc Surg Hand.  2012 Dec;17(4):191-195. 10.12790/jkssh.2012.17.4.191.

Cubital Tunnel Syndrome Caused by Ulnar Nerve Schwannoma: A Case Report

Affiliations
  • 1Department of Orthopaedic Surgery, Kyungpook National University Hospital, Kyungpook National University School of Medicine, Daegu, Korea. ptkim@knu.ac.kr

Abstract

As a rare cause of cubital tunnel syndrome, we report a case of cubital tunnel syndrome caused by Schwannoma of the ulnar nerve. Enucleation and subcutaneous anterior transposition of the ulnar nerve resulted in complete relief of the patient's symptoms.

Keyword

Cubital tunnel syndrome; Schwannoma; Ulnar nerve

MeSH Terms

Cubital Tunnel Syndrome
Neurilemmoma
Ulnar Nerve

Figure

  • Fig. 1 Ultrasonography view shows a cystic mass adjacent to the ulnar nerve.

  • Fig. 2 Axial (A) and coronal (B) T2 weighted magnetic resonance images shows a high-signal elongated intraneural mass in cubital tunnel.

  • Fig. 3 (A) During surgical exploration, the tumor was revealed to be inside the epineurium of the ulnar nerve. (B) A well-capsulated yellowish-white colored solitary mass was enucleated microscopically. (C) The solid mass was 2.2×0.6×0.3 cm in proximal-distally, medial-laterally and anterior-posteriorly respectively.

  • Fig. 4 The tumor was composed of Antoni A (black arrow) and Antoni B (white arrow) elements, indicating benign Schwannoma (H&E stain, ×200).


Cited by  1 articles

Cubital Tunnel Syndrome Caused by Osteochondroma: A Case Report
Hyun Kyu Yu, Ho Min Kang, Hong Je Kang
Arch Hand Microsurg. 2019;24(1):96-101.    doi: 10.12790/ahm.2019.24.1.96.


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