CAJ | 학술논문

目的探讨静脉膀胱造影膀胱CT扫描方法，提高膀胱CT仿真内镜图像质量。方法将94例膀胱检查患者分为三组：A组30例，盆腔增强扫描后，将尿液排完，再口服300 ml水，上检查床翻转两次后行膀胱扫描；B组32例，扫描同A组相同，但喝水量则根据扫描时所测膀胱充盈后的体积口服等量的水；C组32例，盆腔增强扫描后，不排尿，等候30 min，上检查床后反转两次后行膀胱扫描。测定膀胱腔内不同区域液体密度的CT值；对膀胱仿真内镜图像进行评分，统计分析结果。结果 A组和B组膀胱腔内不同区域所测CT值差别无统计学意义（P>0.05），显示膀胱内对比剂均匀性较好。C组膀胱腔内不同区域所测CT值差别有统计学意义（P<0.001），显示膀胱内对比剂均匀性差。三组CT仿真内镜图像评分之间总体差异有统计学意义（P＜0.001）；两两比较，A组与B组间差异无统计学意义（P>0.05）,A组与C组及B组与C组之间差异有统计学意义（P＜0.001)。A组和B组图像明显优于C组。结论盆腔增强扫描后，将尿液排完，再口服300ml水，上检查床反转两次后行膀胱扫描，可获得良好的CT仿真内镜图像。
목적탐토정맥방광조영방광CT소묘방법，제고방광CT방진내경도상질량。방법장94례방광검사환자분위삼조：A조30례，분강증강소묘후，장뇨액배완，재구복300 ml수，상검사상번전량차후행방광소묘；B조32례，소묘동A조상동，단갈수량칙근거소묘시소측방광충영후적체적구복등량적수；C조32례，분강증강소묘후，불배뇨，등후30 min，상검사상후반전량차후행방광소묘。측정방광강내불동구역액체밀도적CT치；대방광방진내경도상진행평분，통계분석결과。결과 A조화B조방광강내불동구역소측CT치차별무통계학의의（P>0.05），현시방광내대비제균균성교호。C조방광강내불동구역소측CT치차별유통계학의의（P<0.001），현시방광내대비제균균성차。삼조CT방진내경도상평분지간총체차이유통계학의의（P＜0.001）；량량비교，A조여B조간차이무통계학의의（P>0.05）,A조여C조급B조여C조지간차이유통계학의의（P＜0.001)。A조화B조도상명현우우C조。결론분강증강소묘후，장뇨액배완，재구복300ml수，상검사상반전량차후행방광소묘，가획득량호적CT방진내경도상。
ObjectiveTo investigate the technique of CT virtual endoscopy of intravenous cystography.Methods Ninety-four patients were enrolled in the study. One group of 30 patients emptied the bladder completely after contrast-enhanced CT of the pelvis and then drank 300 ml of water to re-fill the bladder. Patients rolled over twice on the examining table before the CT virtual cystoscopy. The second group of 32 patients underwent the same procedure and the amount of water ingested was determined by the pre-void bladder volume. The third group of 32 patients underwent CT virtual cystoscopy 30 minutes after contrast-enhanced pelvic CT without emptying the bladder or drinking water. CT values were measured in different regions of the bladder lumen and the CT virtual cystoscopic images were scored. The results were compared among the 3 groups of patients.Results The intravesical CT values of the first 2 groups of patients ingesting water after voiding were significantly different from that of the group without voiding or ingesting water(P<0.001). The density of urine in the first 2 groups was more homogeneous than that of the third group. The image quality was significantly better in the first 2 groups than that of the 3rd group with higher the scores(P<0.001).Conclusion Good image quality can be obtained by complete bladder emptying after contrast-enhanced pelvic CT and ingesting 30 ml of water before CT virtual cystoscopy.