Where Do Spigelian Hernias Occur?

Spigelian hernia occurs through slit like defect in the anterior abdominal wall adjacent to the semilunar line. Most of spigelian hernias occur in the lower abdomen where the posterior sheath is deficient. The hernia ring is a well-defined defect in the transverses aponeurosis.

What does a Spigelian hernia feel like?

Symptoms of a Spigelian hernia vary from person to person and range from mild to severe. A common sign of this hernia is a lump or bulge either below or to the side of the belly button. The lump may feel soft to the touch. Another symptom is constant or intermittent abdominal pain .

Can you see Spigelian hernia on ultrasound?

Ultrasound can provide detailed images of the abdominal wall defect, the hernia sac and its contents, and the relationship of the contents to the Spigelian fascia, as well as the rectus, external oblique, and internal oblique muscles. CT of the abdomen will also confirm the presence of a Spigelian hernia.