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  • Title: [Stage T4 bladder cancer. Impact of neoadjuvant chemotherapy on T4b tumors].
    Author: Solsona E, Iborra I, Ricós JV, Monrós JL, Dumont R, Guillem V.
    Journal: Arch Esp Urol; 1990; 43 Suppl 2():205-8. PubMed ID: 2096780.
    Abstract:
    The present article studied the biological behaviour of T4a versus T4b tumors. Of 29 patients with T4a tumors, 24 were treated by radical cystectomy and 5 were treated by diversion alone on detecting pathologic gross adenopathies at laparotomy. Of these 10/28 (35.7%) are alive and tumor-free. Of 11 patients with T4b tumors, 7 were initially treated with systemic chemotherapy (6 M-VAC and 1 5-FU + ADM) which achieved a clinical response in 4; 1 (14.2%) was RCc. Posteriorly, all these patients underwent radical cystectomy that revealed 2 had RPp and 2 had tumor progression (N+), accounting for an RPp rate of 28.5% and tumor progression of 71.5%. Overall, with a mean follow-up of 13.3 months, only 1 patient is tumor free. The foregoing findings show the different behaviour of these two groups of patients with an incidence of tumor positive adenopathies of 48.2% and 72.7% and tumor-free survival of 35.7% and 9.0% for patients with T4a and T4b, respectively.
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