2005, Number 3
Rev Mex Urol 2005; 65 (3)
Morales MG, Soel EJ, Maldonado VR, Solares SM, Viveros JM, Parraguirre S, Calderón FF
PDF size: 74.69 Kb.
ABSTRACTBackground. Bladder cancer is the second most frequent neoplasm of the urinary system, and the fifth cause of death in males. In Mexico there was an increase from 11 to 14 x 100,000 inhabitants from 1985 to 1994. Several researchers have studied the effect and role of the cellular cycle regulating proteins. The p53 suppressor gene, frequently implicated in several tumors plays a still debated role in bladder cancer. Objective. The purpose of this study is to determine of p53 can be used as a prognostic factor in transitional cell carcinoma of the bladder. Material and methods. Open, retrospective, transversal, comparative and observational study. Patients from the last 11 years with diagnosis of bladder cancer, who received treatment, were included. The variables analyzed were: age, gender, tumor size, pathologic stage, nuclear stage, positivity to p53 immunohystochemistry, recurrence and progression. Statistic analysis was realized using descriptive statistics, Odds ratio and Chi square. Results. 63 patients were studied (44 male and 19 female), 58% had superficial tumors and 42% were invasive. Immunohystochemistry of p53 was positive in 45 patients out of 63 (71%). Recurrence and progression were more frequent in p53 positive patients. Conclusions. P53 positivity can be used as a predictor factor of recurrence and progression in transitional bladder cancer.