Arch Hand Microsurg 2019; 24(3): 243-247  
Importance of Magnetic Resonance Imaging Examination in Unossified Avulsion Fracture of Child Elbow
Byung Hak Oh, Tae Kyun Kim, Youn Moo Heo, Hyun Jae Cha
Department of Orthopedic Surgery, College of Medicine, Konyang University, Daejeon, Korea
Correspondence to: Tae Kyun Kim
Department of Orthopedic Surgery, College of Medicine, Konyang University, 158 Gwanjeodong-ro, Seo-gu, Daejeon 35365, Korea
TEL: +82-42-600-6903, FAX: +82-42-600-6902, E-mail:, ORCID:
Received: April 10, 2019; Revised: June 12, 2019; Accepted: July 10, 2019; Published online: September 1, 2019.
© Korean Society for Surgery of the Hand, Korean Society for Microsurgery, and Korean Society for Surgery of the Peripheral Nerve. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Unossified elbow avulsion fractures of children should be treated with care. Simple avulsion fractures seen on an x-ray may actually be severe injuries such as elbow joint subluxation or radial head dislocation. So, definite diagnosis is important in determining appropriate treatment of avulsion fractures around the unossified elbow, and magnetic resonance imaging (MRI) examination plays a key role in the diagnosis. We experienced avulsion fracture of the capitulum with common extensor tendon and lateral collateral ligament injuries and ulnar coronoid process fracture in an 11-year-old boy and radial head dislocation with common flexor tendon and partial ulnar collateral ligament injuries in an 8-year-old boy. We would like to talk about the importance of MRI in unossified avulsion fracture of child elbow by reviewing 2 case reports.
Keywords: Radial head, Elbow, Avulsion fracture

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