الفهرس 
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Abstract
Recent advances in computed tomography (CT) hardware and software have led to the development of various forms of virtual reality imaging techniques.
Since Vining et al (1996) first described the method, virtual endoscopy of the urogenital tract has enormously improved; contributing to this progress is the advent of multislice CT (MSCT). Recently commercially available highly advanced 3-D workstations have been introduced. Many investigators have evaluated the usefulness of virtual cystoscopy for detecting bladder lesions.
At present virtual cystoscopy based on volumetric data obtained with thin section multislice CT and the use of perspective volume rendering technique, seems to be the most accurate method regarding lesion detection in the urinary bladder.
In our study we tried to determine the diagnostic potential and the role of CT virtual cystoscopy in the detection and evaluation of bladder cancer, compared to the standard conventional cystoscopy.
Twenty five patients clinically presenting with bladder mass (es), were selected from the outpatient urology clinic in Minia University Hospital during the period from August 2010 to September 2011. They were examined in the radio-diagnosis department in Minia University Hospital.