Abstract
Purpose
The tensor fasciae latae (TFL) muscle is supplied by the lateral femoral circumflex artery (LCFA), arising from the deep femoral artery. However, it has been noted that there is also a consistent vascular anastomotic network. The aim of this study was to describe the accessory vascularization of the TFL muscle through a descriptive anatomical study, in order to hypothesize the feasibility of harvesting a TFL flap in the event of an injury to the main pedicle. In addition, we illustrate this hypothesis with a successful clinical case of Scarpa freconstruction following ligature of the deep femoral artery.
Methods
The description of the accessory vascularization was obtained by injecting dye into seven lateral femoral circumflex arteries (LCFA), six superficial circumflex iliac arteries (SCIA), and three inferior gluteal arteries (IGA).
Results
The TFL muscle was vascularized primarily by the LCFA. A vascular anastomotic network with the SCIA and the IGA was observed. After selective injection to the SCIAs and IGAs, the subsequent injection to the LCFA showed a diffusion of the TFL skin paddle with a perforasome overlapping between the different vascular territories.
Conclusion
The ascending branch of the lateral femoral circumflex plays a dominant role in the vascularization of the TFL muscle. As a result of a periarticular anastomotic network of the hip, this artery establishes several connections with the proximal arteries. Consequently, in cases where blood flow through the LCFA is interrupted, it should be equally possible to harvest the TFL flap through its accessory vascularization.
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SG: Manuscript writing and Project development BC: Project development YB, EL: Manuscript writing AK: Data collection and project development All authors reviewed the manuscript.
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Gandolfi, S., Chaput, B., Berkane, Y. et al. The accessory vascularization of the tensor fasciae latae muscle: towards a new classification?. Surg Radiol Anat 46, 725–731 (2024). https://doi.org/10.1007/s00276-024-03343-8
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DOI: https://doi.org/10.1007/s00276-024-03343-8