261 ERYTHROLEUKEMIA APPEARS TO BE A CONTINUUM OF MDS WITH ERYTHROID HYPERPLASIA AND SHARES OUTCOME AND CYTOGENETIC FEATURES WITH RAEB-1 WITH ≥50% ERYTHROPOIESIS. Issue 1 (April 2015) - Calvo, X.; Arenillas, L.; Tormo, M.C.; Valcárcel, D.; Luño, E.; Alonso, E.; Díez-Campelo, M.; Ramos, F.; Pedro, C.; Arrizabalaga, B.; Bailen, A.; Raya, J.M.; et al.