[Clinical application of sural neurocutaneous island flaps].
OBJECTIVE
To explore the clinical application characteristics of sural neurocutaneous island flaps.


METHODS
Sural neurocutaneous island flaps were used to repair the skin defect accompanied bone and tendon exposure in the lower leg, around the ankle and foot in 21 cases, including 4 cases to repair the foreside of the foot back . Direct flap was used in 5 cases and reverse flap in 16 cases. Meanwhile the coverage and formation of sural nerve were surveyed together with the starting point of peroneal perforator.


RESULTS
All the 21 sural flaps were survived, including sural nerve (18 cases) anastomose 12 cases, single trunk 4 cases, double trunk 2 cases. The anastomose site of medial sural cutaneous nerve and the communicating branch of lateral sural cutaneous nerve was at the point of 11 - 14 cm above the ankle in 12 cases. The lower was the anastomose site, the shorter was the sural nerve. The site is 4 - 7 cm above the ankle in 15 out of 18 sural nerve perforator branch cases, and the other 3 cases is 10, 11, 11.5 cm above the ankle respectively.


CONCLUSIONS
Sural neurocutaneous island flaps are easy to separate. Major arteries are not injured. It is the ideal flap to repair the skin defect accompanied by bone and tendon exposure in lower leg, around ankle and foot. The nerve must be anastomosed when repairing the heel.
Xia
Hao-Che
HC
Division of Emergency Surgery, the Ist Hospital of Harbin Medical University, Harbin 150040, China.
An
Yu
Y
Hou
Zhang-Jiang
ZJ
Xia
Shuang-Yin
SY
Fu
Zhao-Peng
ZP
Zhang
Guo-Quan
GQ
D000328:Adult; D000368:Aged; D001158:Arteries / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D019651:Plastic Surgery Procedures; D016038:Skin Transplantation; D013497:Sural Nerve / Q000601:surgery*; D013524:Surgical Flaps / Q000098:blood supply* / Q000294:innervation*; D055815:Young Adult