[Sporadic kidney cancer of young subjects: Study of the clinical and pathological features of a bicentric cohort]

The epidemiology of kidney cancer is evolving with a net increase in the incidence of renal tumors, globally, and in young people in particular.To evaluate the incidence and clinical and pathological characteristics of sporadic renal tumors in young subjects and their risk factors.A retrospective study aimed at collecting clinical, epidemiological and anatomopathological information from the 118 patients aged 18 to 40 treated for a sporadic kidney tumor in two Parisian university hospital centers between 2003 and 2013.Our study showed a very significant increase in the incidence of renal tumors in our 11 years of decline (P=6.10Our study showed a marked increase in the incidence of renal tumors with specific clinical and epidemiological features in a population of young subjects. The role and importance of oncogenetic management as well as the study of environmental factors could lead to the identification of new risk factors and corollary to their prevention.4.