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目的：本文分析了8例膀胱血块的X线征像。材料与方法：男女各4例，年龄22～67岁，临床均有血尿病史。8例做了静脉肾盂造影及膀胱造影。结果：8例膀胱血块皆显示为膀胱的充盈缺损，后经膀胱镜或膀胱造影复查消失。结论：肯定的孤岛状充盈缺损并随体位改变而明显移位是诊断膀胱血块依据，而缺损呈不规则的多边形及部份边缘锐利平直或相邻两边互成直角或税角，亦是诊断膀胱血块的重要征像。
OBJECTIVE: This paper analyzes the X-ray findings of 8 cases of bladder clots. Materials and Methods: There were 4 males and 4 females, aged from 22 to 67 years. All patients had a history of hematuria. 8 cases done intravenous pyelography and cystography. Results: All the 8 cases of bladder clot showed filling defect of the bladder, and disappeared after cystoscopy or cystography. CONCLUSIONS: Affirmative island-shaped filling defect and obvious displacement with the change of position are the basis for the diagnosis of the blood clots. The irregular polygons and some edges are sharp and flat or the adjacent edges are at right angles or tax angles. It is also a diagnosis Important sign of the bladder clot.