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Effectiveness of hexaminolevulinate fluorescence cystoscopy for the diagnosis of non-muscle-invasive bladder cancer in daily clinical practice: a Spanish multicentre observational study.

Abstract：

OBJECTIVE:To assess the sensitivity and specificity of blue-light cystoscopy (BLC) with hexaminolevulinate as an adjunct to white-light cystoscopy (WLC) vs WLC alone for the detection of non-muscle-invasive bladder cancer (NMIBC), in routine clinical practice in Spain. PATIENTS AND METHOD:An intra-patient comparative, multicentre, prospective, observational study. Adults with suspected or documented primary or recurrent NMIBC at eight Spanish centres were included in the study. All patients were examined with WLC followed by BLC with hexaminolevulinate. We evaluated the detection rate of bladder cancer lesions by WLC and BLC with hexaminolevulinate, overall and by tumour stage and compared with histological examination of the biopsied lesions. Sensitivity and specificity was calculated. RESULTS:In all, 1,569 lesions were identified from 283 patients: 621 were tumour lesions according to histology and 948 were false-positives. Of the 621 tumour lesions, 475 were detected by WLC (sensitivity 76.5%, 95% confidence interval [CI] 73.2-79.8) and 579 were detected by BLC (sensitivity 93.2%, 95% CI 91.0-95.1; P < 0.001). There was a significant improvement in the sensitivity in the detection of all types of NMIBC lesions with BLC compared with WLC. Of 219 patients with tumours, 188 had NMIBC [highest grade: carcinoma in situ (CIS), n = 36; Ta, n = 87; T1, n = 65). CIS lesions were identified more with BLC (n = 27) than with WLC [n = 19; sensitivity: BLC 75.0% (95% CI 57.8-87.9) vs WLC 52.8% (95% CI 35.5-69.6); P = 0.021]. Results varied across centres. CONCLUSIONS:This study shows that improvement in diagnosis of NMIBC, mainly CIS and Ta tumours, obtained with BLC with hexaminolevulinate as an adjunct to WLC vs WLC alone can be shown in routine clinical practice.

journal_name

BJU Int

journal_title

BJU international

authors

Palou J,Hernández C,Solsona E,Abascal R,Burgués JP,Rioja C,Cabrera JA,Gutiérrez C,Rodríguez O,Iborra I,Herranz F,Abascal JM,Conde G,Oliva J

doi

10.1111/bju.13020

subject

Has Abstract

pub_date

2015-07-01 00:00:00

pages

37-43

issue

eissn

1464-4096

issn

1464-410X

journal_volume

116

pub_type

杂志文章,多中心研究

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Effectiveness of hexaminolevulinate fluorescence cystoscopy for the diagnosis of non-muscle-invasive bladder cancer in daily clinical practice: a Spanish multicentre observational study.