... accuracy of urinarycytology in daily practice. Cancer 1999, 87:118-128.9. Kriegmair M, Knuchel R, Stepp H, Hofstaedter F, Hofstetter A: Detection of early bladder cancer by 5-aminolevulinic acid induced ... Sekine H, et al: Carcinoma in situ of the urinarybladder. Effect of associated neoplastic lesions on clinical course and treatment. Cancer 1987, 59:164-73.19. Lopez-Beltran A, Cheng L, Anderson ... role in preventing disease progression. In our opinion, HALcystoscopy should be recommended in the early follow-up of high risk patients.IntroductionBladder cancer is costly in both human and...