The epidemiology and clinical presentation of sigmoid volvulus.
D000328:Adult; D000367:Age Factors; D000368:Aged; D044383:Black People; D002648:Child; D003106:Colon / Q000098:blood supply; D012809:Colon, Sigmoid; D003108:Colonic Diseases / Q000453:epidemiology / Q000401:mortality; D005260:Female; D005734:Gangrene / Q000453:epidemiology / Q000209:etiology; D006801:Humans; D007415:Intestinal Obstruction / Q000453:epidemiology* / Q000401:mortality; D008297:Male; D008531:Megacolon / Q000150:complications; D008875:Middle Aged; D012737:Sex Factors; D014454:Uganda