The peritoneum is a serous sac which lines the abdominal cavity and is reflected over the viscera to invest them partially or completely. Duodenum has four parts. The fourth part of the duodenum is related to a number of recesses in the peritoneum known as the peritoneal recesses. They are the superior recess, inferior recess, retro and paraduodenal recesses namely. Paraduodenal recess is a blind sac on the left side and its opening is directed towards the right. Anteriorly the opening is bounded by the paraduodenal fold which contains the inferior mesenteric vein. Herniation of a loop of small gut is not very uncommon in any one of these recesses. During the routine dissection procedure for the Ist year MBBS students, herniation of a loop of small intestine into the paraduodenal recess was observed incidentally. Paraduodenal hernias lead to chronic, atypical, abdominal pain which can be resolved post operatively.
Key words: Peritoneum , Peritoneal recesses, Paraduodenal hernia
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