Background:

Spiegel hernia is a rare type of ventral hernia that occurs when there is a defect in the semilunar line (Spiegel line) through which there is protrusion of preperitoneal fat or a peritoneal sac with or without an intra-abdominal viscus.

Clinical case:

A 52-year-old female patient admitted for abdominal pain and tumor in the lower right quadrant of 15 cm. In the operating room, wall plasty was performed and when hernia sac was opened, necrotic appendicitis was identified.

Conclusion:

The incidence of hernia is Spiegel is very low and is lower when associated with acute appendicitis. Given its low frequency, clinical suspicion is important. The treatment is surgical.