paediatrics Brussels 17

Metachronous Bilateral Wilms Tumor

• Review of 108 cases from 30 studies from 1950-1996 • 5- and 10-year overall survivals were 49.1% and 47.2% • More than 95% of contralateral tumors occur within 60 months (median 23.1 months) • Better survival with contralateral tumors appearing > 18 months from initial ipsil ateral tumor (10 yr survival 55.2% vs. 39.6%)

Paulino AC et al. Cancer 1998; 82:415-20