Inversion of Meckel's Diverticulum, Report of a Case Teppei Kabemura 1 , Takashi Yamauchi 1 , Shuichiro Nishihara 1 , Tadashi Misawa 1 , Masahiro Nakano 2 1The Third Department of Internal Medicine, Faculty of Medicine, Kyushu University 2Internal Medicine, Kyushu Rosai Hospital pp.1193-1197
Published Date 1989/10/25
DOI https://doi.org/10.11477/mf.1403106599
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 A 30-year-old man was admitted to our hospital in January, 1983, complaining of intermittent abdominal pain and anemia. Physical examination revealed tenderness of the lower abdomen. Laboratory studies showed anemia, and blood in the stool. Radiological examination of the small intestine demonstrated an abnormal penis-like appearance with folds on its stalk in the distal ileum. Laparotomy was carried out following a tentative diagnosis of benign tumor of the ileum. Intussusception of the ileo-ileal type was evident 100 cm orally from Bauhin's valve, and it unraveled easily. A soft tumor was palpable at the apex of the intussusception. Partial resection of the ileum with end-to-end anastomosis was performed. A penis-like polyp that developed from the opposite site of the mesenterium was about 7 cm in length with ulceration on the top. Histological section revealed that the polyp was the Meckel's diverticulum. It consisted of the entire layer of the small intestine with pseudopyloric glands around the ulceration.

 The characteristic appearance of the inverted Meckel's diverticulum in radiological examination of the small intestine was demonstrated. This is the key for diagnosis prior to laparotomy.

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