Gastrointestinal System

{"ops":[{"insert":"CT finding: Whirl sign"},{"insert":"\n","attributes":{"header":1}},{"insert":"The \u0022whirl sign\u0022 is a whirlpool pattern of concentric structures including twisted intestinal loops, vessels and mesentery. It is highly suggestive, but not pathognomonic of sigmoid volvulus.\n\nA recent study of 21 patients with sigmoid volvulus revealed the presence of the whirl sign in 57% of cases.\n\nNote that the findings most sensitive for the condition were respectively, the presence of at least one sigmoid colon transition point (95%) and disproportionate enlargement of the sigmoid colon (86%).\n"},{"insert":"Hartmann\u0027s procedure"},{"insert":"\n","attributes":{"header":1}},{"insert":"The Hartmann procedure is a standard life saving surgery for acute left colonic complications; it involves resection of the rectosigmoid colon, along with creation of a temporary end colostomy, which will be reversed later by anastomosing the proximal colon to the rectal stump.\n"}]}

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