[Dolichosigmoid and megasigmoid volvulus. Etiology and therapeutic differentiation].
D001938:Brazil; D012809:Colon, Sigmoid / Q000473:pathology*; D005060:Europe; D006801:Humans; D007415:Intestinal Obstruction / Q000209:etiology* / Q000628:therapy; D008531:Megacolon / Q000473:pathology*; D009656:North America; D013020:South America
Volvo de dolicossigmóide e de megassigmóide. Diferenciação etiológica e terapêutica.