P454 A novel methylation panel for the early detection of neoplasia in high risk ulcerative colitis and Crohn's colitis patients - Ortega, T. Lobaton; Azuara, D.; Rodriguez-Moranta, F.; de Oca, J.; Guardiola, J.; Soriano-Izquierdo, A.; Montfort, D.; Boadas, J.; Piqueras, M.; Galter, S.; Estell, M.; Moreno, V.; et al. (Journal of Crohn's & Colitis, 2012)