Vascular structures are most prominent in which portion of the scrotum?

• A. Superior
• B. Inferior
• C. Anterior
• D. Posterior

Answer: (B)

Vascular structures in the scrotum are tied to the path of the spermatic cord as it descends from the inguinal canal into the scrotum. The main vessels—the testicular artery and the pampiniform venous plexus—travel within that cord and occupy the lower portion of the scrotal sac as they course toward the testis. Because the cord and its vessels lie toward the inferior aspect of the scrotum, these vessels are most prominent there on imaging. In other words, the inferior part of the scrotum is where the vascular structures surrounding the testis are most readily seen, since the cord inserts and travels downward into that region.