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The superficial inguinal ring (subcutaneous inguinal ring or external inguinal ring) is an anatomical structure in the anterior wall of the mammalian abdomen. It is a triangular opening that forms the exit of the inguinal canal, which houses the ilioinguinal nerve , the genital branch of the genitofemoral nerve , and the spermatic cord (in men ...
At ultrasound, lipoma is a well–defined, homogeneous, hyperechoic paratesticular lesion of varying size [Fig. 14]. The simple finding of an echogenic fatty mass within the inguinal canal, while suggestive of a lipoma, should also raise a question of fat from the omentum secondary to an inguinal hernia.
Unlike a hydrocele of the cord, a hydrocele of the canal of Nuck is always at least partially within the inguinal canal. [citation needed] The accuracy of the diagnosis must be ascertained. Great care must be taken to differentiate a hydrocele from a scrotal hernia or tumor of the testicle. Ultrasound imaging can be very useful in these cases ...
The vas deferens traverses the inguinal canal to reach the pelvic cavity; it enters the pelvic cavity lateral to the inferior epigastric vessels. At the deep inguinal ring, the vas deferens diverges from the testicular vessels to pass medially to reach the base of the prostate posteriorly. [3]: 1297
Below the superficial inguinal ring they unite to form three or four veins, which pass along the inguinal canal, and, entering the abdomen through the deep inguinal ring, coalesce to form two veins. These again unite to form a single vein, the testicular vein , which opens on the right side into the inferior vena cava , at an acute angle, and ...
The canal of Nuck, first described by Anton Nuck in 1691, [1] [2] is an abnormal patent (open) pouch of peritoneum extending into the labia majora of women. It is analogous to a patent processus vaginalis in males (see hydrocele testis , inguinal hernia ).
Anatomy figure: 35:03-05 at Human Anatomy Online, SUNY Downstate Medical Center - "Layers of the anterior wall." Anatomy photo:36:01-0202 at the SUNY Downstate Medical Center - "Inguinal Region, Scrotum and Testes: The Inguinal canal" Atlas image: abdo_wall49 at the University of Michigan Health System (look for #2)
The lump is more globular than the pear-shaped lump of the inguinal hernia. The bulk of a femoral hernia lies below an imaginary line drawn between the anterior superior iliac spine and the pubic tubercle (which essentially represents the inguinal ligament) whereas an inguinal hernia starts above this line. Nonetheless, it is often impossible ...