Spigelian hernia is one of the most uncommon hernia of the abdominal wall. Authors present 53 years old women with left sided spigelian hernia containing: caecum with appendix and ileum, which was an uncommon content of hernial sac. Past medical history of urinary bladder operation suggested postoperative hernia. However, the correct diagnosis was made during the operation. Hernioplasty was made with mesh onlay method. The postoperative course was unevenful.
Keywords: Spigelian hernia; appendix; hernia-operative treatment.