The perperitoneal technique requires more time, but has fewer adhesions and less intraabdominal inflammatory response. It is a feasible technique that may diminish risks in the laparoscopic treatment of incisional hernias with polypropylene mesh.

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The term ¨Lemmel Syndrome¨ is used to describe obstructive jaundice that is secondary to periampullary duodenal diverticula (PDD) in the absence of choledocholithiasis or neoplasia. PDD is found in 22% of the population. According to our knowledge, only two cases of Lemmel syndrome have been reported in Mexico. We report two cases of Lemmel syndrome in a 94-year-old and a 71-year-old woman who presented with clinical jaundice. One of the cases was treated with endoscopic retrograde cholangiopancreatography (ERCP) sphincterotomy, balloon sweep, and the placement of a plastic biliary prosthesis, and the other with laparoscopic biliodigestive bypass and a manual lateral end choledocho-duodenal anastomosis. Our objective is to expand the information on this rare pathology to take it into account as a diagnostic possibility of jaundice and to define appropriate management, which can be endoscopic or surgical.