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  • Title: Management of disseminated nonseminomatous germ cell tumors with risk-based chemotherapy followed by response-guided postchemotherapy surgery.
    Author: Kollmannsberger C, Daneshmand S, So A, Chi KN, Murray N, Moore C, Hayes-Lattin B, Nichols C.
    Journal: J Clin Oncol; 2010 Feb 01; 28(4):537-42. PubMed ID: 20026807.
    Abstract:
    PURPOSE: The management of patients with a radiographic complete response after chemotherapy remains controversial. The current study assesses the outcome for a modern, unselected patient population with disseminated testicular cancer with particular emphasis on those achieving a radiographic complete remission to combination chemotherapy. PATIENTS AND METHODS: All patients with disseminated nonseminoma seen between 1999 and 2007 at the British Columbia Cancer Agency (BCCA) as well as through the Oregon Testis Cancer Program were retrospectively reviewed. A total of 276 patients treated with combination chemotherapy were identified. A radiographic complete remission (CR) was defined as disappearance of all metastatic lesions or minimal residual tissue <or= 1 cm. RESULTS: One hundred sixty-one patients achieved a CR. Results for the total population and CR subset were as follows: International Germ Cell Cancer Consensus Group stage good/intermediate/poor 84%/5%/11% (CR subset, 94%/3%/3%), presence of teratoma in the primary tumor 40% (CR subset, 55%), relapses 13%, death from disease 3% (CR subset, 6% and 0%, respectively). Two of the total 10 relapses in the CR group occurred beyond 2 years. Eight of the 10 relapses in the CR group were treated surgically for teratoma alone, whereas two required salvage chemotherapy. Disease-specific survival for the CR group was 100% after a median follow-up of 52 months (range, 3 to 135 months). CONCLUSION: Modern risk-adapted systemic chemotherapy with or without surgery for current populations of patients with disseminated testicular nonseminoma results in superb outcomes. Patients with disseminated germ cell tumors who obtain a complete serologic remission and no or minimal radiographic residual can be safely observed without adjunctive regional surgery.
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