Long-term cognitive function among testicular cancer survivors treated with chemotherapy

5035 Background: We have studied cognitive function among testicular cancer patients survivors treated with chemotherapy compared with those only treated surgically. Method: In Sweden, men diagnosed with non-seminomatous testicular cancer have prospectively been registered in SWENOTECA since 1981. During 2007 we followed up men diagnosed up to 2004; from the register we obtained clinical information about the treatment given. During a two-year period we developed a study-specific questionnaire primarily on cognitive functions. We also formulated questions about well-being and neurological symptoms. The questionnaire, extensively tested for validity, built on 40 in-depth interviews and a format developed at our division (Clinical Cancer Epidemiology). Results: We obtained information from 987/1220 (82%) testicular cancer patients survivors four to 21 years after the diagnosis. Prevalence of a “little, moderately or much” (versus none) affected well-being due difficulties “finding words and other language d...