[CT findings of invaginated mesentery in adult intussusception]. 1993

T Fujimoto, and T Fukuda, and N Matsunaga, and S Kohzaki, and K Hirao, and K Nagayoshi, and H Takeda, and I Isomoto, and M Uetani, and K Hayashi
Department of Radiology, Nagasaki University, School of Medicine.

The CT findings of invaginated mesentery in adult intussusception were analyzed in 12 patients (three patients with four small bowel intussusceptions and nine patients with nine large bowel intussusceptions). In all small bowel intussusceptions, the neck was located near the superior mesenteric artery and vein (SMA & SMV) and showed a medial opening, and the vessels in the neck showed a continuity to the left side of SMA & SMV. In most of the large bowel intussusceptions, the neck was located distant from SMA & SMV, and the vessels in the neck did not show continuity to SMA & SMV. The difference in CT findings between small and large bowel intussusception is attributed to the difference in mesenteric anatomy; the small bowel and its mesentery move freely in the peritoneal cavity, whereas the large bowel is partially fixed to the retroperitoneum.

UI MeSH Term Description Entries
D007077 Ileal Diseases Pathological development in the ILEUM including the ILEOCECAL VALVE. Disease, Ileal,Diseases, Ileal,Ileal Disease
D007080 Ileocecal Valve The valve, at the junction of the CECUM with the COLON, that guards the opening where the ILEUM enters the LARGE INTESTINE. Ileocecal Valves,Valve, Ileocecal,Valves, Ileocecal
D007443 Intussusception A form of intestinal obstruction caused by the PROLAPSE of a part of the intestine into the adjoining intestinal lumen. There are four types: colic, involving segments of the LARGE INTESTINE; enteric, involving only the SMALL INTESTINE; ileocecal, in which the ILEOCECAL VALVE prolapses into the CECUM, drawing the ILEUM along with it; and ileocolic, in which the ileum prolapses through the ileocecal valve into the COLON. Invagination, Intestinal,Intususception,Intestinal Invagination,Intestinal Invaginations,Intussusceptions,Intususceptions,Invaginations, Intestinal
D007579 Jejunal Diseases Pathological development in the JEJUNUM region of the SMALL INTESTINE. Disease, Jejunal,Diseases, Jejunal,Jejunal Disease
D008297 Male Males
D008643 Mesentery A layer of the peritoneum which attaches the abdominal viscera to the ABDOMINAL WALL and conveys their blood vessels and nerves. Mesenteries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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