Song X J
401st Hospital, People's Liberation Army, Qingdao.
Zhonghua Wai Ke Za Zhi. 1992 Sep;30(9):518-9, 570.
A series of 16 cases of chronic mallet finger deformity repaired with tendon flap from palmaris longus tendon or lateral band of extensor tendons is reported. Follow-up ranged from 1 to 4 years, the deformity has been corrected and pain disappeared in all cases. The active extention of DIP joints are 0 degrees in 12 cases and 5 degrees-15 degrees hyperextention in 4 cases. The active flexion of DIP joints are normal (65 degrees-80 degrees) in 11 cases, has 5 degrees-15 degrees flexion lag in 5 cases. The PIP and MP are normal in all cases. The anatomic basis of this procedure is narrated. The restoration of the anatomic continuity of the terminal extensor tendon reestablishes the coordinative effect between the long extensor tendon, intrinsic lateral band and oblique retinacular ligament and thus brings good long term result.
报告了16例采用掌长肌腱或指伸肌腱外侧束肌腱瓣修复慢性锤状指畸形的病例。随访时间为1至4年，所有病例畸形均得到矫正，疼痛消失。12例远侧指间关节（DIP）主动伸直为0度，4例有5度至15度过伸。11例DIP关节主动屈曲正常（65度至80度），5例有5度至15度屈曲滞后。所有病例近端指间关节（PIP）和掌指关节（MP）均正常。阐述了该手术的解剖学基础。末节伸肌腱解剖连续性的恢复重建了指长伸肌腱、固有外侧束和斜支持带之间的协同作用，从而带来良好的长期效果。
