Re: Theo van der Kwast, Fredrik Liedberg, Peter C. Black, et al. International Society of Urological Pathology Expert Opinion on Grading of Urothelial Carcinoma. Eur Urol Focus. In press. https://doi.org/10.1016/j.euf.2021.03.017: Focus on Our Personal Recollections and Observations

Abstract

We read with great interest the recent contribution by van der Kwast et al [ [1] van der Kwast T. Liedberg F. Black P.C. et al. International Society of Urological Pathology expert opinion on grading of urothelial carcinoma. Eur Urol Focus. 2021; (S2405-4569(21)00096-1. Epub ahead of print. PMID: 33771477)https://doi.org/10.1016/j.euf.2021.03.017 Abstract Full Text Full Text PDF Scopus (9) Google Scholar ]. According to the authors, “improvement of the current bladder cancer grading systems may result in better informed treatment decisions” for patients with non–muscle-invasive bladder cancer (NMIBC). In particular, the grading criteria for the World Health Organization (WHO) 1973 classification for urothelial carcinoma (UC) were updated and detailed according to literature findings and expert opinion of International Society of Urological Pathology (ISUP) members.