Incisional hernias represent one of the most frequent complications of abdominal surgery. The incidence is probably underestimated. The pathogenesis is complex and not fully understood, implying patient-related factors (i.e., collagen biochemistry, obesity, age) as well as technical factors, including, among others, wound infection, suture material, and types of incisions and closures. In this paper, the first of two, the authors review the literature emphasizing the current knowledge concerning the pathogenesis of incisional hernias. The second article is focused on the treatment.

Laparoscopic repair of incisional hernia and ventral hernia appears to be safe, especially with the use of Gore-Tex mesh, and is proving to be effective as it decreases pain, complications, hospital stay, and recurrences.

Gallbladder torsion is a rare cause of acute acalculous cholecystitis. Preoperative diagnosis is difficult. The treatment of choice remains immediate cholecystectomy. We present four cases of gallbladder torsion and review the literature.

Background: Strangulation is the most serious complication of inguinal hernia. Diverticulitis, a common condition, is usually localized in the left colon. The association of complicated inguinal hernia and diverticulitis is rare. Methods: We report the case of a 73-year-old male patient who presented with a suspicion of strangulated inguinal hernia. Results: CT and operative findings showed transverse colon diverticulitis lodged in an incarcerated inguinal hernia without signs of strangulation. Surgical hernia repair was undertaken while the treatment of diverticulitis was conservative. Follow-up was uneventful. Conclusion: This is a first report of documented transverse colon diverticulitis simulating inguinal hernia strangulation.

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