Chinese Journal of Clinical Anatomy >
The microscopic anatomy and the clinic research of the third dorsal metatarsal artery
Received date: 2013-12-12
Online published: 2014-12-04
Objective To provide anatomical basis for reconstruction of finger degloving injury by tissue graft using the third dorsal metatarsal artery as the main feeding artery. Method Thirty adult specimens of feet were microdissected and measured in this study．The origin and course of each segment of the third dorsal metatarsal artery were observed and measured，and the functions were analyzed. Results (1) In the 30 sides of specimens, the third dorsal metatarsal artery communicated with the plantar artery through the anterior and posterior perforating branches in the proximal and distal ends of the third metatarsal bone and or mainly originated from the anterior and posterior perforating branches. (2)According to the source of the third dorsal metatarsal artery，these can be divided into: Ⅰ. the dorsal pedal artery was the main source arteries in 5 sides, accounting for 17% of the total; Ⅱ. The plantar artery is the main source artery in 21sides, accounting for 70% of the total. In type IIa, posterior perforating branches are the main source artery (including the full origin from the posterior perforating branches) in 19 sides, accounting for 63% of the total; IIb. anterior perforating branches is the main type 2 sides, accounting for 7% of the total; Ⅲ. shared source artery in 4 sides, accounting for 13% of the total. Conclusion In most cases, foot tissue graft based on the third dorsal metatarsal artery as the main feeding artery is feasible to a certain extent in reconstruction of finger degloving injury.
DIAO Liang , WANG Bin , GAO Qiang . The microscopic anatomy and the clinic research of the third dorsal metatarsal artery[J]. Chinese Journal of Clinical Anatomy, 2014 , 32(6) : 652 -654 . DOI: 10.13418/j.issn.1001-165x.2014
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