Department of Pediatric Orthopedics and Adult Foot and Ankle Surgery, Orthopedic Hospital Speising, Vienna, Austria.
JBJS Case Connect. 2020 Jul-Sep;10(3):e20.00080. doi: 10.2106/JBJS.CC.20.00080.
Two adolescent patients with therapy-refractory ulnocarpal wrist pain because of mild ulnar longitudinal deficiency (ULD; ulna hypoplasia type I according to Bayne) underwent surgical treatment with a Z-shaped ulna lengthening osteotomy and interposition of the iliac crest bone graft. Long-term ULD correction and pain-free motion were maintained in both patients.
Pediatric patients with symptomatic mild ULD are often mistaken for ulnar negative variance with radioulnar impingement and may be successfully treated using this newly described technique. The ulnar malangulation is corrected at the apex of the deformity, and the clinical and radiographic outcomes have been successful.
两名青少年患者因难治性尺侧腕痛接受了手术治疗，他们均存在轻度尺侧纵向发育不全（ULD；根据 Bayne 的分类，属于尺骨发育不全 I 型），手术采用 Z 形尺骨延长截骨和髂嵴骨移植。两名患者的 ULD 均得到长期矫正，且腕部活动无痛。
有症状的轻度 ULD 患儿通常被误诊为尺侧负变异伴桡尺撞击，可采用新描述的技术成功治疗。尺骨畸形的成角在畸形顶点处得到矫正，临床和影像学结果均成功。
