Objective: Cystoscopy is currently the reference examination for the surveillance of bladder tumours. As this is an invasive examination, we decided to evaluate the performances of the combination of ultrasound and urine cytology in the follow-up of bladder tumours.Methods: This is a prospective study of 64 cases in the context of postoperative surveillance of bladder tumours. There were 4 patients with pTa stage, 13 patients pT1, 42 patients pT2 after TUR-V. All patients were assessed by cystoscopy, suprapubic ultrasound, and urine cytology.Results: Vesical ultrasound had a sensitivity of 73%. Urine cytology had a sensitivity of 65.4%, and the combination of ultrasound and urine cytology had an overall sensitivity of 80.7%. This study showed that although the combination of the two examinations had a diagnostic sensitivity of 100%, in the case of high-grade tumours, this value was only 76.2% for low-grade tumours.Conclusions: The combination of ultrasound and urine cytology does not appear to be sufficient for systematic surveillance in high-risk patients with high-grade bladder tumours but is useful for superficial tumours or low-grade bladder tumours. Objective: Cystoscopy is currently the reference examination for the surveillance of bladder tumours. As this is an invasive examination, we decided to evaluate the performances of the combination of ultrasound and urine cytology in the follow-up of bladder tumours. Methods: This is a prospective study of 64 cases in the context of postoperative surveillance of bladder tumours. There were 4 patients with pTa stage, 13 patients pT1, 42 patients pT2 after TUR-V. All patients were assessed by cystoscopy, suprapubic ultrasound, and urine cytology. Results: Vesical ultrasound had a sensitivity of 73%. Urine cytology had a sensitivity of 65.4%, and the combination of ultrasound and urine cytology had an overall sensitivity of 80.7%. This study showed that although the combination of the two examinations had a diagnostic sensitivity of 100%, in the case of high-grade tumours, this value was only 76.2% for low-grade tumours. Conclusions: The combination of ultrasound and urine cytology does not appear to be sufficient for systematic surveillance in high-risk patients with high-grade bladder tumours but is useful for superficial tumours or low-grade bladder tumours.