Early and Late De Novo Tumors after Liver Transplantation in Adults: The Late Onset of Bladder Tumors in Men

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Abstract

Background:De novo tumors (DNT) after liver transplantation (LT) represent a growing concern.Patients and Methods:We analyzed the incidence of DNT, type, time of onset, risk factors and mortality (as of 2010) in 494 adult patients transplanted in the last 26 years (1983-2009).Results:DNT occurred in 41 (8.3%) of the patients. The Standardized Incidence Ratio (SIR) compared with the Italian population was 1.8. There was a higher incidence in males (SIR 2.0), an expected extremely high rate of Kaposi's sarcoma (SIR 127.95) and unexpected higher rates of tumors of the bladder in males (SIR 3.3). The incidence of DNT was higher within the first two years of LT (SIR 2.7) for Kaposi's sarcoma (SIR 393.3) and after 10 years (SIR 1.7) for bladder tumors (SIR 10.6). Multivariate analysis identified alcoholic cirrhosis (HR = 3.0, 95% CI = 1.2-7.8) and sclerosing cholangitis (HR = 3.5, 95% CI = 1.1-11.3) in the recipient as main risk factors for the occurrence of DNT.Conclusions:Surveillance protocols for DNT must be specifically oriented to patients transplanted for alcoholic cirrhosis and sclerosing cholangitis. They should focus on early detection of Kaposi's sarcomas, and more remarkably, on late development bladder tumors in men after LT. © 2013 Maggi et al.

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Maggi, U., Consonni, D., Manini, M. A., Gatti, S., Cuccaro, F., Donato, F., … Rossi, G. (2013). Early and Late De Novo Tumors after Liver Transplantation in Adults: The Late Onset of Bladder Tumors in Men. PLoS ONE, 8(6). https://doi.org/10.1371/journal.pone.0065238

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