胫后动脉肌间隔穿支皮瓣修复拇指软组织缺损一例

Thumb soft tissue defect repaired with posterior tibial artery septal perforator flap of calf with precise localization and matching:A case report

本文报道中国人民解放军联勤保障部队第九二〇医院骨科于2020年2月收治的1例左拇指桡侧指骨间关节处激光除痣术后软组织坏死并感染患者,利用CTA结合Mimics软件数字化技术精确定位小腿合适部位的皮瓣穿支点,并设计精准匹配的超级皮瓣(1.20 cm×0.80 cm×0.46 cm)进行修复。术后1年随访,左拇指皮瓣无臃肿,质地外观满意,感觉恢复至S3,左拇指运动完全正常。小腿皮瓣供区仅遗留线形瘢痕。

A patient suffered a sustained soft tissue necrosis and infection at the radial interphalangeal joint of left thumb after laser nevus removal.He was treated in the Department of Orthopaedics,No.920 Hospital of Joint Logistic Support Force of Chinese People's Liberation Army in February 2020.CTA combined with digital technology of Mimics software was used to accurately locate the perforator of posterior tibial artery septal perforator flap at the appropriate part of the calf and the super flap(1.20 cm×0.80 cm×0.46 cm)for the repair was designed.After 1 year of follow-up,the left thumb flap had no swelling with a satisfactory texture and appearance.The sensory recovered to S3,and the left thumb movement was completely normal.Only a linear scar remained at the donor site of the calf.