Spigelian hernia

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[edit] Discussion

  • Account for 1–2% of all hernias
  • Protrusion of bowel through a congenital or acquired defect in the spigelian aponeurosis
    • Linea semilunaris laterally
    • Lateral edge of the rectus muscle medially


  • Complications
    • Small bowel obstruction
    • Incarceration: hernia cannot be reduced or pushed back manually
    • Strangulation: ischemia caused by a compromised blood supply

[edit] Imaging Findings

[edit] Images

Patient #1: CT demonstrates small bowel obstruction secondary to a right spigelian hernia

[edit] See Also

[edit] External Links

[edit] References

Skandalakis PN, Zoras O, Skandalakis JE, Mirilas P. Spigelian hernia: surgical anatomy, embryology, and technique of repair. Am Surg. 2006 Jan;72(1):42-8.