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Int J Radiat Oncol Biol Phys. 1986 Jun;12(6):853-60.

Primary radical radiotherapy for T3 transitional cell cancer of the bladder: an analysis of survival and control.


Patients who completed a course of radical radiotherapy for T3 bladder cancer are reviewed. A follow up cystoscopy where tumor response was assessed, was carried out in 272 of the 333 patients of whom 41.2% had complete local regression. Significant factors correlated with complete local tumor regression are described, the most significant being histological grade of the tumor. A higher proportion of patients with complete regression were found among those with Grade 3 cancer (55.7%). Patients who received a central tumor absorbed dose of 55.0 gray or 57.5 gray in 20 fractions over 4 weeks had a significantly higher probability of complete local regression and lasting local control than those who received lower doses. Patients with initial complete local regression had a significantly better probability of survival than those with incomplete regression (p less than 0.0001). There was a significant association between the hemoglobin level at the start of radiotherapy and both local regression and survival. Patients with T3 cancer are more critically selected for treatment by primary radical radiotherapy on the basis of primary tumor size, tumor grade and the patient's plasma urea level. Primary cystectomy may be the more appropriate treatment for a patient with a tumor of more than 7 cm in diameter, a Grade 1 cancer or a plasma urea level of more than 10 mmol/l.

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