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Arch Hand Microsurg > Volume 23(2); 2014 > Article
Archives of Hand and Microsurgery 2014;23(2):86-88.
Published online November 30, 2014.
A Schwannoma Originating from Median Nerve at Proximal Forearm Caused Ulnar Nerve Symptom by Compression
Jeong Hyun Yoo, Joon Yub Kim<sup>*</sup>, Hyoung Soo Kim, Joo Hak Kim, Ki Hyuk Sung, Sang Hun Song, Ho Il Kwak
Department of Orthopaedic Surgery, Myongji Hospital, Goyang, Korea.
Received: 3 October 2014   • Revised: 5 November 2014   • Accepted: 6 November 2014
A schwannoma is a benign soft tissue tumor arising from the nerve sheath of a Schwann cell. Clinically, a schwannoma is an asymptomatic mass rarely causing neurologic deficits. However, it can cause discomfort as well as motor and sensory disturbances by compressing the nerve of its origin. The authors encountered a huge schwannoma arising from the median nerve at the proximal forearm, which caused symptoms mainly in the ulnar nerve. The tingling sensation along the ulnar nerve disappeared completely after enucleation of the schwannoma originating from the median nerve.
Key Words: Schwannoma, Median nerve, Ulnar nerve, Forearm, Compression, Neurilemmoma
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