Other species of filarial worm include Onchocerca volvulus.

丝虫的其它种类包括旋盘尾丝虫。

Often merges the volvulus.

常合并肠扭转。

Colonic obstruction is, except in the case of volvulus, chronic.

结肠梗阻，除肠扭转的病例外，都是慢性的。

A case of primary small bowel volvulus in a 72-year-old woman is reported.

原发性小肠扭转好发于青年或中年人，但在国内尚属少见，本文报告-老年病例。

In very young children, volvulus almost always happens in the small intestine.

儿童肠扭转常发生于小肠。