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  • Title: Does bladder preservation (as a surgical principle) lead to retaining bladder function in bladder/prostate rhabdomyosarcoma? Results from intergroup rhabdomyosarcoma study iv.
    Author: Arndt C, Rodeberg D, Breitfeld PP, Raney RB, Ullrich F, Donaldson S.
    Journal: J Urol; 2004 Jun; 171(6 Pt 1):2396-403. PubMed ID: 15126860.
    Abstract:
    PURPOSE: We determine patient and tumor characteristics, event-free and overall survival, methods of local control, rate of bladder preservation and proportion with normal bladder function for patients with localized bladder/prostate (BP) rhabdomyosarcoma (RMS) treated on the Fourth Intergroup Rhabdomyosarcoma Study (IRS IV). MATERIALS AND METHODS: We reviewed the records of 90 patients with nonmetastatic BP RMS enrolled on IRS IV for presenting characteristics, details of therapy and outcome. RESULTS: Of the 90 records 88 had sufficient information for review. Patient age distribution was less than 1 year for 7 patients, 1 to 9 years for 71 and 10 or greater years for 10. Tumors commonly arose in the bladder (70%), had favorable histology (embryonal or botryoid 80%), large (69% greater than 5 cm), unresectable (84% group III) and invasive (56% T2). Local therapy included radiation in 74 patients, and most patients underwent second-look operations after radiation. All patients received alkylating based chemotherapy. With a median followup of 6.1 years there have been 3 second malignancies, 1 toxic death and 18 relapses, for an event-free survival rate of 77%. Bladders were retained without relapse at last contact in 55 patients. Of those 55 patients 36 and of the entire group 40% had normal function determined by history. CONCLUSIONS: Of patients with nonmetastatic BP RMS on IRS IV 82% survived 6 years. Bladder function was preserved in 55% (36/66) of event-free survivors. Of all patients entered on study 40% (36 of 88) survive event-free with apparently normal functioning bladders. More precise long-term evaluation of bladder and sexual function will require application of better tools such as urodynamic studies and validated patient surveys.
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