期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 24, 期 15, 页码 -出版社
MDPI
DOI: 10.3390/ijms241512489
关键词
bladder carcinoma; urinary biomarkers; methylation; tumoral recurrence
The management of NMIBC requires monitoring and evaluation methods such as urinary cytology, cystoscopy, and radiological assessment of the upper urinary tract. Urine cytology and methylation analysis are commonly used methods with high sensitivity for detecting high-grade bladder carcinoma and carcinoma in situ. The combined use of urine cytology and methylation analysis can diagnose high-grade bladder carcinoma and predict clinical and histological recurrences in doubtful cases.
Bladder cancer and upper urothelial tract carcinoma are common diseases with a high risk of recurrence, thus necessitating follow-up after initial treatment. The management of non-muscle invasive bladder carcinoma (NMIBC) after transurethral resection involves surveillance, intravesical therapy, and cytology with cystoscopy. Urinary cytology, cystoscopy, and radiological evaluation of the upper urinary tract are recommended during follow-up in the international urological guidelines. Cystoscopy is the standard examination for the first assessment and follow-up of NMIBC, and urine cytology is a widely used urinary test with high sensitivity for high-grade urothelial carcinoma (HGUC) and carcinoma in situ (CIS). In recent years, various urinary assays, including DNA methylation markers, have been used to detect bladder tumors. Among these, the Bladder EpiCheck test is one of the most widely used and is based on analysis of the methylation profile of urothelial cells to detect bladder neoplasms. This review assesses the importance of methylation analysis and the Bladder EpiCheck test as urinary biomarkers for diagnosing urothelial carcinomas in patients in follow-up for NMIBC, helping cytology and cystoscopy in doubtful cases. A combined approach of cytology and methylation analysis is suggested not only to diagnose HGUC, but also to predict clinical and histological recurrences.
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