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  • Title: The anatomy of the extended peroneal venous system.
    Author: Hallock GG.
    Journal: Plast Reconstr Surg; 1999 Sep; 104(4):976-83. PubMed ID: 10654736.
    Abstract:
    The fibula has deservedly become a workhorse flap for vascularized bone grafts. As with most flaps, much is known regarding idiosyncrasies of its arterial supply, and the corresponding venous system has generally been assumed to be comparable. Because this donor site has become increasingly versatile, a detailed anatomic study that would verify this latter assertion should be important. Therefore, venous mapping specifically of the peroneal venae comitantes was completed in 29 fresh lower limbs. In every specimen, paired venae comitantes of large caliber indeed paralleled the course of the peroneal artery. All were of quality satisfactory for microanastomoses, which should provide reassurance that preoperative evaluation of the peroneal venous system is not routinely indicated. However, anatomic variations proved to be the norm. The two venae comitantes did not necessarily coalesce into a single common peroneal vein [6 of 29 (21 percent)]. Usually, the lateral peroneal vein was the larger and continued proximally either alone (17 percent) or as the common peroneal vein (66 percent) to form the lateral tibioperoneal vena comitans. Thus, the venous pedicle of a fibula flap could be lengthened up to its confluence with the popliteal vein, a maneuver that potentially could obviate the need for a vein graft at least on the venous side. Although anomalies of the peroneal artery could preclude use of the fibula altogether, there appeared to be no such contraindications from a venous standpoint, despite the fact that the venous anatomy was unique in every individual. Some important similarities in patterns, though, do exist. For example, a common peroneal vein was formed by the juncture of the lateral peroneal vein and some combination of branches joining the lateral posterior tibial vein and medial peroneal vein in 63 percent of all limbs. Because exceptions are the rule, the choice of donor vein and venous pedicle length best remains an intraoperative decision dependent on the presenting anatomy.
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