Rare Variant of the Intrasoleus Musculocutaneous Perforator: Clinical Considerations in Raising a Free Peroneal Osteocutaneous Flap

ABSTRACT

To improve the stability of the cutaneous portion of the vascularized free peroneal osteocutaneous flap (the so-called peroneal flap), various anatomic studies have been conducted, and a reliable notion of the course of cutaneous perforators has been provided; however, anatomic anomalies have occasionally been observed. The authors encountered a rare type of cutaneous perforator in the distal third of the lower leg. It was located under the inferior surface of the flexor hallucis longus muscle, after running in the soleus muscle parallel to the fibula, and then joined the posterior tibial artery. Since absolutely definite diagnostic methods have not been established for the course of the cutaneous perforator, surgery with the possibility of secondary anastomosis, always with a separate peroneal flap, should be a consideration.

KEYWORD

Free peroneal osteocutaneous flap - variant of intrasoleus musculocutaneous perforator

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