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首页> 外文期刊>Advances in urology >The Role of Virtual Cystoscopy, after Multidetector Computed Tomography Imaging Reconstruction without the Use of Contrast Medium, in the Diagnosis and Evaluations of Bladder Tumors: Preliminary Study
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The Role of Virtual Cystoscopy, after Multidetector Computed Tomography Imaging Reconstruction without the Use of Contrast Medium, in the Diagnosis and Evaluations of Bladder Tumors: Preliminary Study

机译：在不使用造影剂的情况下进行多探测器计算机断层扫描成像重建后，虚拟膀胱镜在膀胱肿瘤的诊断和评估中的作用：初步研究

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Introduction. Although conventional cystoscopy is considered to be the gold standard for diagnosis and follow-up of bladder tumors, it remains an invasive and costly procedure. With the advent of the multidetector CT (MDCT) scanners supported by specialized software virtual cystoscopy (VC) is possible. We assess the role of VC in diagnosing and evaluating bladder lesions. Materials and Methods. Between September 2010 and October 2011, 25 consecutive patients with cystoscopically confirmed bladder tumor underwent VC. The radiologists involved in this prospective study were blinded to the exact findings. After draining any residual urine with a catheter, the bladder was retrogradely insufflated with 200-600 cc of air. No intravenous or intravesical contrast was used. MDCT scan was performed in supine and prone positions and three-dimensional reconstruction of the urinary bladder was performed. Results. The examination was well tolerated by all patients with no complications. In total, 43 lesions were detected both with conventional cystoscopy and VC. Tumor size measured by CT ranged from 3 to 80 mm in diameter. The pathological report revealed noninvasive transitional cell carcinomas in all cases. Conclusion. VC has promising results in detecting exophytic bladder lesions. In the future it could be part of the diagnostic algorithm for bladder tumors.
机译：介绍。尽管常规膀胱镜检查被认为是诊断和随访膀胱肿瘤的金标准，但它仍然是一种侵入性且昂贵的手术。随着专用软件支持的多探测器CT（MDCT）扫描仪的出现，虚拟膀胱镜检查（VC）成为可能。我们评估VC在诊断和评估膀胱病变中的作用。材料和方法。在2010年9月至2011年10月之间，连续25例经膀胱镜检查证实为膀胱肿瘤的患者接受了VC。参与这项前瞻性研究的放射科医生对确切的发现不知情。用导管排出残留的尿液后，向膀胱内倒入200-600 cc的空气。没有使用静脉内或膀胱内造影剂。在仰卧位和俯卧位进行MDCT扫描，并对膀胱进行三维重建。结果。所有患者均无任何并发症，对检查的耐受性良好。常规膀胱镜和VC总共检测到43个病变。通过CT测量的肿瘤大小为直径3至80mm。病理报告显示在所有情况下均为非浸润性移行细胞癌。结论。 VC在检测外生性膀胱病变方面有可喜的结果。将来，它可能会成为膀胱肿瘤诊断算法的一部分。

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