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Case Reports in Orthopedics
Volume 2019, Article ID 1965343, 4 pages
https://doi.org/10.1155/2019/1965343
Case Report

Humeral Avulsion of the Lateral Collateral Ligament of the Elbow Concomitant with the Medial Epicondyle Fracture of a Child with General Joint Laxity

Department of Orthopaedic Surgery, Kochi University, Kochi Medical School, Kohasu, Oko-cho, Nankoku 783-8505, Japan

Correspondence should be addressed to Masashi Izumi; pj.ca.u-ihcok@mimuzi

Received 15 January 2019; Accepted 12 March 2019; Published 4 April 2019

Academic Editor: Federico Canavese

Copyright © 2019 Toru Morimoto et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Medial epicondyle fracture is a common elbow injury for children, and it was reported that 30-50% of this fracture was associated with elbow dislocation. However, dysfunction of the lateral collateral ligament (LCL) complex accompanied with the medial epicondyle fracture has rarely been reported. In this report, a 13-year-old girl who had a humeral avulsion of the LCL concomitant with a displaced medial epicondyle fracture was presented. Since her general joint laxity had been recognized from past medical history and the humeral avulsion of the LCL was clearly confirmed by ultrasonography, simultaneous surgical repair for the LCL avulsion and medial epicondyle fracture was conducted and satisfactory outcome was achieved. Although general joint laxity does not tend to receive attention in trauma as much as chronic conditions, it should be borne in mind to prevent overlooking important soft tissue damage coexisting with apparent fractures.