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J Med Case Rep. 2013 Jul 5;7:180. doi: 10.1186/1752-1947-7-180.

Parastomal hernias successfully repaired using a modified components separation method: two case reports.



Parastomal hernia is a frequent complication after enterostomy formation. A repair using prosthetic mesh by way of a laparoscopic or open transabdominal approach is usually recommended, however, other procedures may be done if the repair is to be performed in a contaminated environment or when the abdominal cavity of the patient is difficult to enter due to postsurgical dense adhesion. The components separation method, which was introduced for non-transabdominal and non-prosthetic ventral hernia repair, solves such problems.


Case 1. A 79-year-old Japanese woman who underwent total cystectomy with ileal conduit for bladder cancer presented with a parastomal hernia, which was repaired using a keyhole technique. Simultaneously, an incisional hernia in the midline was repaired with a prosthetic mesh. One year after her hernia surgery, a recurrence occurred lateral to the stoma, but it was believed to be difficult to enter the peritoneal cavity because of the wide placement of mesh. Therefore, surgery using the components separation method was performed.


The components separation method is a novel and effective technique for parastomal hernia repair, especially in cases following abdominal polysurgery or midline incisional hernia repairs using large pieces of mesh. To the best of our knowledge, this is the first report in English on the application of the components separation method for parastomal hernia repair.

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