Cubital Tunnel Syndrome Caused by Osteochondroma: A Case Report

Hyun Kyu Yu; Ho Min Kang; Hong Je Kang

doi:10.12790/ahm.2019.24.1.96

Journal List > Arch Hand Microsurg > v.24(1) > 1117309

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Yu, Kang, and Kang: Cubital Tunnel Syndrome Caused by Osteochondroma: A Case Report

Nerve

Archives of Hand and Microsurgery 2019; 24(1): 96-101.

Published online: 28 February 2019

DOI: https://doi.org/10.12790/ahm.2019.24.1.96

Cubital Tunnel Syndrome Caused by Osteochondroma: A Case Report

Hyun Kyu Yu, Ho Min Kang, Hong Je Kang

Department of Orthopedic Surgery, Wonkwang University School of Medicine, Iksan, Korea.

Corresponding author: Hong Je Kang. Department of Orthopedic Surgery, Wonkwang University School of Medicine, 895 Muwang-ro, Iksan 54538, Korea. TEL: +82-63-859-1360, FAX: +82-63-852-9329, kanghongje@hanmail.net

Received 5 October 2018 Revised 7 January 2019 Accepted 9 January 2019

Korean Society for Surgery of the Hand, Korean Society for Microsurgery, and Korean Society for Surgery of the Peripheral Nerve

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Cubital tunnel syndrome is a compressive neuropathy caused by ulnar nerve compression on elbow joint. The causes of cubital tunnel syndrome are unknown but it can be caused by trauma, bone deformity and space occupying lesions like a mass. Osteochondroma is a common benign bone tumor, it usually develops at the metaphysis of the long bones. Symptoms of nerve compression by osteochondroma are very rare and there have been few reports of cubital tunnel syndrome caused by osteochondroma. The authors experienced a 46-year-old male patient who have cubital tunnel syndrome by osteochondroma. Therefore, we report the case with literature review.

Keywords: Cubital tunnel syndrome, Osteochondroma, Ulnar nerve

Figures and Tables

Fig. 1

Mass on right elbow posteromedial side.

Fig. 2

The x-ray shows roundshape, large bony mass on medial side of distal humerus.

Fig. 3

The computed tomography shows large multi-lobulated bony mass on medial side of distal humerus.

Fig. 4

(A) T2 weighted magnetic resonance imaging (MRI) show heterogenously intermediate signal intensity. (B) T1 weighted MRI show bright high signal intensity in the mass. (C) Gadolinium (GD) enhanced T1 imaged show heterogenous enhancement, relatively more enhancement in higher T2 signal intensity area.

Fig. 5

Ulnar nerve has thinned and compressed by osteochondroma. The osteochondroma was finded under the ulnar nerve and covered by cartilage cap.

Fig. 6

Right elbow range of motion was improved compared to before surgery.

Fig. 7

Histological section of an osteochondroma showing the three layers. White arrow: perichondrium, black arrow: cartilage cap, gray arrow: underlying bone (H&E stain, ×100).

ACKNOWLEDGEMENTS

This paper was supported by Wonkwang University in 2018.

Notes

^{CONFLICTS OF INTEREST} The authors have nothing to disclose.

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