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- Title
Ulnar Lengthening Using a Half-Ring Sulcated External Fixator for Ulnar Longitudinal Deficiency: A Case Report.
- Authors
Chen, Guang-Xing; Zhou, Zhong-An; Yang, Liu
- Abstract
Ulnar longitudinal deficiency (ULD) is a rare condition of the upper limbs. Although radius lengthening for radial longitudinal deficiencies (RLD) was found to be successful, no ulnar lengthening for ULD without RLD and hand deformities has been reported. Herein, we present a Bayne type II ULD case report of the ulnar lengthening and gradual reduction of the dislocated radial head in an 11-year-old boy using a half-ring sulcated external fixator. For ulnar lengthening/radial longitudinal traction for radial head reduction, transverse osteotomy in mid ulna was performed and half-ring sulcated external fixator was used for ulnar distraction lengthening. Radial longitudinal traction and stabilization of external fixator were achieved by transverse pins through ulna and radius. Distraction (1 mm/day) began at 5th day and was completed at 95th postoperative day. External fixator was applied for 7 months. Successful ulnar lengthening (81 mm; 62 % gain) was achieved 1-year after the surgery and the range of elbow motion at 2 years was >40°. Forearm rotation and wrist extension/flexion were also preserved with no complaints of pain. We concluded that ulnar distraction lengthening and gradual reduction of radial head could improve appearance of the arm and were of significant benefit to the patient.
- Subjects
ULNA; EXTERNAL skeletal fixation (Surgery); ARM abnormalities; HAND abnormalities; OSTEOTOMY; CYTOLOGY; DISEASES
- Publication
Cell Biochemistry & Biophysics, 2013, Vol 67, Issue 2, p809
- ISSN
1085-9195
- Publication type
Article
- DOI
10.1007/s12013-013-9566-z