Changing trends in the national practice for external beam radiotherapy for children with central nervous system tumours in Spain: results from the cancer registry of the Spanish society of pediatric oncology

P630 Inflammatory bowel disease in immigrants to Spain: results of the EIIMIGRA study from GETECCU (ENEIDA registry)

Abstract Background Previous studies comparing inflammatory bowel disease(IBD) features between migrant and native patients have shown clinical phenotype differences. To date, no study has focused on IBD immigrants(MP) in Spain. The aim of this study was to explore the features of MP in Spain and to compare age of disease onset, IBD phenotype and therapeutic requirements with native-born IBD patients(NP). Methods This was an observational, multicentric and case-control study of the nationwide ENEIDA registry. We selected all IBD patients who were born outside of Spain and compared with a control cohort of NP. All included patients were diagnosed with IBD before 2015. Results A total of 13,5…