Abstract

The septocutaneous system of the lower leg perforating blood vessels consists of a vascular basis of fasciocutaneous flaps. This system is of particular importance when designing distally based fasciocutaneous flaps that are the ‘workhorse’ in reconstructing the distal third of the lower leg and foot. The aim of this study was to provide a comprehensive, clear and conclusive overview of the lower-leg septocutaneous system of skin blood supply in fetal age. Dissection was conducted on 20 fetuses of both sexes and gestational age from 20 to 28 weeks. The focus was on the vascular anatomy of peroneal artery and its septocutaneous (fasciocutaneous) perforating arterial vessels. Cluster analysis was applied to the obtained data. A total of 212 perforating arterial vessels were identified for peroneal artery. The average number of perforating arterial vessels was 5.32 (ranging from 4 to 7). Based on cluster analysis, perforating blood vessels were more likely to be found at certain lower-leg levels (‘safe levels of finding perforators’). The presence of septocutaneous system of perforating blood vessels and reliability of their localization even in the fetal period allows for the application of these findings in the lower leg reconstructions in children of early age.

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