Barium enema showed microcolon in 10 cases,nearly normal size of colon in 3 cases,shortening of colon in 1 case, multiple perforation of colon in 1 case,and delayed evacuation of barium in 6 cases.

• 钡灌肠(13例)显示结肠细小10例，3例结肠近似正常，有1例表现结肠缩短，1例合并多处穿孔，6例排钡延迟。