The role of transcavitary ultrasonography in diagnosis and staging of nonmuscle-ınvasive bladder cancer: a prospective non-randomized clinical study.

To evaluate the efficacy of cystoscopy, computed tomography (CT), transcavitary ultrasound (TCUS) and cytology, separately and in combination, for the diagnosis and evaluation of superficial bladder cancer. Initial cystoscopy and wash-out cytology were performed for 1548 patients. Of these, 206 with proven bladder tumors were included in this prospective study.