Volvulus
肠扭结VOL-vu-lus
释义：from Latin volvere "to turn, twist,"
Twisting of the intestine resulting in obstruction; usually involves the sigmoid colon and occurs most often in children and in the elderly; may be caused by congenital malformation, a foreign body, or adhesion; failure to treat immediately may result in death (see FIG. 13-10B)