The aim of this study was to examine the anatomy of the external pudendal vessels as they supply the anterior scrotal region. Twenty cadavers were dissected and a catheter was used to inject India ink into the external pudendal arteries. The entire anterior scrotal region was dyed in all these cases. In one case, the dye extended beyond the scrotal raphe, staining the opposite scrotum. The skin of the region proximal to the penis on the same side was also stained; in ten cadavers, in 11 the skin of the superior-medial homolateral thigh displayed dye. The external pudendal artery was a single vessel in 55% of cases, double in 30% and with a common trunk with the superficial inferior epigastric artery in 15%. The external pudendal vein as single in 45% and double in 55%. The arterial diameter ranged from 1.55 to 2.90 mm for the single artery, 1.9 to 3.00 mm for the double artery, and 3.50 to 4.00 mm for the common trunk. The diameter both of the single and the double vein ranged from 1.56 to 3.70 mm. The pedicle length from the femoral vessels to the scrotal region ranged from 7.2 to 9.5 cm. The diameter, the length of the pedicle vessels, and their constant anatomy suggest that the anterior scrotal region may be used as a donor site for a microsurgical flap.
European Journal of Plastic Surgery – Springer Journals
Published: Jan 21, 1998
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