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Objectives: To evaluate the role of blue‐light cystoscopy (BLC) in detecting invasive tumours that were not visible on white‐light cystoscopy (WLC). Patients and Methods: Using the multi‐institutional Cysview registry database, patients who had at least one white‐light negative (WL–)/blue‐light positive (BL+) lesion with invasive pathology (≥T1) as highest stage tumour were identified. All WL–/BL+ lesions and all invasive tumours in the database were used as denominators. Relevant baseline and outcome data were collected. Results: Of the 3514 lesions (1257 unique patients), 818 (23.2%) lesions were WL−/BL+, of those, 55 (7%) lesions were invasive (48 T1, seven T2; 47 unique patients) including 28/55 (51%) de novo invasive lesions (26 unique patients). In all, 21/47 (45%) patients had WL−/BL+ concommitant carcinoma in situ and/or another T1 lesions. Of 22 patients with a WL−/BL+ lesion who underwent radical cystectomy (RC), high‐risk pathological features leading to RC was only visible on BLC in 18 (82%) patients. At time of RC, 11/22 (50%) patients had pathological upstaging including four (18%) with node‐positive disease. Conclusions: A considerable proportion of invasive lesions are only detectable by BLC and the rate of pathological upstaging is significant. Our present findings suggest an additional benefit of BLC in the detection of invasive bladder tumours that has implications for treatment approach. [ABSTRACT FROM AUTHOR]

Objective: To evaluate blue‐light flexible cystoscopy (BLFC) with hexaminolevulinate in the office surveillance of patients with non‐muscle‐invasive bladder cancer with a high risk of recurrence by assessing its impact on pain, anxiety, subjective value of the test and patient willingness to pay. Materials and Methods: A prospective, multicentre, phase III study was conducted during which the Patient‐Reported Outcomes Measurement Information System (PROMIS) Anxiety, Pain and 'Was It Worth It' questionnaires were administered at baseline, after surveillance with BLFC and after resection for those referred to the operating room. Comparisons of scores were performed between groups. Results: A total of 304 patients were enrolled, of whom 103 were referred for surgical examination. Of these, 63 were found to have histologically confirmed malignancy. Pain levels were low throughout the study. Anxiety levels decreased after BLFC (∆ = −2.6), with a greater decrease among those with negative pathology results (P = 0.051). No differences in anxiety were noted based on gender, BLFC results, or test performance (true‐positive/false‐positive). Most patients found BLFC 'worthwhile' (94%), would 'do it again' (94%) and 'would recommend it to others' (91%), with no differences based on BLFC results or test performance. Most patients undergoing BLFC (76%) were willing to pay out of pocket. Conclusions: Anxiety decreased after BLFC in patients with negative pathology, including patients with false‐positive results. Most of the patients undergoing BLFC were willing to pay out of pocket, found the procedure worthwhile and would recommend it to others, irrespective of whether they had a positive BLFC result or whether this was false‐positive after surgery. [ABSTRACT FROM AUTHOR]