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  • Title: An analysis of surveillance for stage I combined teratoma--seminoma of the testis.
    Author: Thomas R, Dearnaley D, Nicholls J, Norman A, Sampson S, Horwich A.
    Journal: Br J Cancer; 1996 Jul; 74(1):59-62. PubMed ID: 8679458.
    Abstract:
    We analysed 973 patients with stage I testicular tumours presenting between 1983 and 1994. The median ages at presentation for non-seminomatous germ cell tumour (teratoma) were 27 years, seminoma 36 years and combined tumour 33 years. These differences were statistically significant (Mann-Whitney P < 0.05), suggesting that combined tumours may have a separate natural history. We, therefore, analysed all stage I patients managed with surveillance (530 in total) post orchidectomy. The actuarial 5 year relapse-free survival and anatomical patterns of relapse were identical for non-seminomatous germ cell tumour (NSGCT) and combined tumour and both were statistically distinct from seminoma (P = 0.01, log-rank test, chi-square test P = 0.001). The association of seminoma within a histologically confirmed NSGCT has no influence on the clinical outcome.
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