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Fig. 1D 52-year-old man who presented with left inguinal pain; normal
findings were seen on sonography. Line drawing (C) and short-axis
sonography image (D) of inguinal canal show oval-shaped canal
(arrows) containing multiple hypoechoic vessels (small
asterisks). Inferior and deep in relation to canal is psoas muscle (P)
with rectus abdominis muscle (RAb) superiorly. Posterior and slightly superior
to canal is echogenic margin (arrowheads) of transversalis fascia
with preperitoneal fat (large asterisk), bowel, and peritoneum deep
to fascia.