Merkle E M, Fleiter T, Wunderlich A, Rilinger N, Görich J, Sokiranski R
Abteilung Radiologie, Universität Ulm.
Rofo. 1996 Dec;165(6):582-5. doi: 10.1055/s-2007-1015816.
Simulation of three-dimensional cystoscopy based on helical CT scan data in real-time in patients with tumours of the urinary bladder. In three patients with histologically confirmed carcinoma of the urinary bladder, a helical CT scan with double detector technology was carried out preoperatively. A native scan was first performed, followed by an examination in the early contrast medium enhanced phase. After adequate contrasting of the urinary bladder (30 minutes latency), further images were acquired. These data were transferred to a separate graphic computer workstation and reconstructed. The results were then compared with the cystoscopic and pathohistological findings. All tumours of the urinary bladder identified at fiberoptic cystoscopy were also visualised by virtual cystoscopy. The best reconstruction results were obtained from data acquired after the 30-minute latency period. Virtual cystoscopy represents an interesting option in helical CT scanning, which is able to visualise polypoid tumours of the urinary bladder. Its clinical relevance, however, must be demonstrated in studies with a larger number of patients examined.
基于螺旋CT扫描数据对膀胱癌患者进行实时三维膀胱镜检查模拟。对3例经组织学确诊的膀胱癌患者，术前采用双探测器技术进行螺旋CT扫描。首先进行平扫，然后在造影剂早期强化期进行检查。膀胱充分显影（延迟30分钟）后，获取更多图像。这些数据被传输到单独的图形计算机工作站并进行重建。然后将结果与膀胱镜检查和病理组织学结果进行比较。纤维膀胱镜检查发现的所有膀胱肿瘤在虚拟膀胱镜检查中也能显示。延迟30分钟后获取的数据重建效果最佳。虚拟膀胱镜检查是螺旋CT扫描中一个有趣的选择，它能够显示膀胱息肉样肿瘤。然而，其临床相关性必须在更多患者的研究中得到证实。
