Аннотация:
Objective: to develop optimal techniques of en-bloc resection of large non-muscle invasive bladder tumors, determine the proper method of specimen extraction and assess the quality of specimens obtained by different techniques. Materials and methods. A total of 12 patients with primary cT1 bladder cancer underwent transurethral en-bloc resection between January 2018 and March 2019 were enrolled into the study. Tumor size ranged from 3.5 cm to 6.2 cm. For removal and extraction of large bladder tumors using thulium fiber en-bloc laser three different techniques were developed: “swiss cheese technique”, “crown and root technique” and “three steps technique” technique». The main pathologic criteria used for assessment of removal technique were tumor grade (G), depth of invasion (T), presence of carcinoma in situ (CIS), variant histology (VH), lymphovascular invasion (LVI), presence of detrusor muscle. Additional criteria were horizontal and vertical resection margin, subclassification of
Ключевые слова:
Laser en-bloc resection; Non-muscular invasive bladder cancer; Papillary urothelial carcinoma; Thulium fiber laser
thulium; bladder tumor; cancer staging; human; solid state laser; Humans; Lasers, Solid-State; Neoplasm Staging; Thulium; Urinary Bladder Neoplasms
Кисляков Д. А. Дмитрий Андреевич 1982-
Севергина Л. О. Любовь Олеговна 1968-
Цариченко Д. Г. Дмитрий Георгиевич 1969-
Рапопорт Л. М. Леонид Моисеевич 1956-
Коровин И. А. Игорь Андреевич 1996-
Сорокин Н. И. Николай Иванович 1979-
Kislyakov D. A. Dmitrij Andreevich 1982-
Severgina L. O. Lyubov` Olegovna 1968-
Tsarichenko D. G. Dmitrij Georgievich 1969-
Rapoport L. M. Leonid Moiseevich 1956-
Korovin I. A. Igor` Andreevich 1996-
Sorokin N. I. Nikolay Ivanovich 1979-
Novel approaches for transurethral en-bloc resection of large bladder tumors
Текст визуальный непосредственный
Урология
Бионика Медиа
Т. 2019, Вып. 4 С. 105-111
2019
Статья
Laser en-bloc resection Non-muscular invasive bladder cancer Papillary urothelial carcinoma Thulium fiber laser
thulium bladder tumor cancer staging human solid state laser Humans Lasers, Solid-State Neoplasm Staging Thulium Urinary Bladder Neoplasms
Objective: to develop optimal techniques of en-bloc resection of large non-muscle invasive bladder tumors, determine the proper method of specimen extraction and assess the quality of specimens obtained by different techniques. Materials and methods. A total of 12 patients with primary cT1 bladder cancer underwent transurethral en-bloc resection between January 2018 and March 2019 were enrolled into the study. Tumor size ranged from 3.5 cm to 6.2 cm. For removal and extraction of large bladder tumors using thulium fiber en-bloc laser three different techniques were developed: “swiss cheese technique”, “crown and root technique” and “three steps technique” technique». The main pathologic criteria used for assessment of removal technique were tumor grade (G), depth of invasion (T), presence of carcinoma in situ (CIS), variant histology (VH), lymphovascular invasion (LVI), presence of detrusor muscle. Additional criteria were horizontal and vertical resection margin, subclassification of