title: Review of sigmoid volvulus. Clinical patterns and pathogenesis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000349:Africa; D000367:Age Factors; D000368:Aged; D001208:Asia; D001938:Brazil; D004043:Dietary Fiber / Q000009:adverse effects; D005061:Europe, Eastern; D005260:Female; D006801:Humans; D007415:Intestinal Obstruction / Q000453:epidemiology* / Q000209:etiology; D008297:Male; D008875:Middle Aged; D044469:Racial Groups; D012111:Residence Characteristics; D012737:Sex Factors; D012810:Sigmoid Diseases / Q000453:epidemiology* / Q000209:etiology; D014481:United States