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英文誌(2004-)

Journal of Medical Ultrasonics

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1992 - Vol.19

Vol.19 No.07

Original Article(原著)

(0519 - 0527)

乳幼児の腸重積―超音波像および腹部単純Ⅹ線像からみた注腸整復術の難易度について―

Intussusception in Children: Correlation of Reducibility with Ultrasonographic Patterns and X-ray Findings

本田 伸行1, 横井 浩2, 郭 啓勇3, 平井 都始子3, 北村 いずみ2, 大石 元3, 打田 日出夫3

Nobuyuki HONDA1, Hiromu YOKOI2, Qiyong GUO3, Toshiko HIRAI3, Izumi KITAMURA2, Hajime OHISHI3, Hideo UCHIDA3

1済生会御所病院放射線科, 2日生病院超音波検査室, 3奈良医科大学放射線科,腫瘍放射線科

1Department of Radiology, Saiseikai Gose Hospital, 2Department of Ultrasonography, Nissei Hospital, 3Department of Radiology and Oncoradiology, Nara Medical University

キーワード : Ultrasonography, Intussusception, Barium enema

Recently, ultrasonographic diagnosis of intussusception in children has become easier to perform. When intussusception is suspected clinically, ultrasonographic examination should be indicated routinely. In this paper, the ultrasonographic and abdominal X-ray findings of 39 intussusceptions in 35 children were compared with their reducibility by barium enema. We divided the characteristic ultrasonograms of intussusception (so-called pseudokidney sign) into four types: Type I: horseshoe high echo pattern, Type II: target pattern, Type III: one-sided high echo pattern, Type IV: irregular shape. In Type I cases, all 12 lesions were easily reduced by barium enema. In Type II cases, although the number of difficult cases increased, successful reduction was achieved in all of 16 lesions. Among 8 Type III lesions, three were easily reduced by barium enema, three were difficult and another two were impossible to reduce. Among 3 Type IV lesions, one was extremly difficult and another two were impossible to reduce. This suggests that barium enema reduction for intussusception of Type IV is extremly risky or impossible, thus mandating surgical intervention. These results suggest that ultrasonography is useful not only to diagnose intussusception in children, but also to predict its reducibility. When abdominal X-ray films show markedly gaseous distention of the small intestine (ileus), an attempt at barium enema reduction should not be made. However, most X-ray films show a normal gas pattern or localized distention of the small intestine. Although all 20 cases showing a normal gas pattern were reduced by barium enema, radiographically it is difficult to predict the reducibility of intussusception except for the ileus.