成年人先天性巨结肠的X线诊断

The radiographic findings of adult congenital megacolon disease

目的研究成人先天性巨结肠症的X线表现。方法对6例患者作了钡灌肠检查，全部经手术证实。结果成人先天性巨结肠症主要的X线表现为直肠部可见3～7cm的局限性狭窄，其近端的结肠壁增厚、肠腔明显扩张，最宽达22cm，狭窄段和扩张段之间可见长2～6cm、呈圆锥或漏斗状逐渐扩张的移行段。2例合并有粪石形成。结论钡灌肠是术前诊断本病的最可靠和简便的方法。

Objective To describe the radiographic findings of adult megacolon.Methods Barium enema examination was performed in 6 patients with megacolon proved by operation. Results The principal radiographic findings were a markedly dilated colon, the largest diameter was 22 cm, and a narrowed rectum,Ths length was 3-7 cm; with a cone or funnel shaped transitional segment, it is about 2-6 cm long. Conclusion The barium enema examination is the most reliable and simple method in diagnosing adult congenital megacolon.