INTRODUCTION: The World Health Organization (WHO) classification of hematopoietic and lymphoid tissue (4th edition, 2008) tumors constitutes an updated review of the 3rd edition published in 2001. The translation of the nomenclature used to describe the entities should be clear, precise and uniform so that clinicians, pathologists and researchers involved in the onco-hematopathological area may identify them accurately. OBJECTIVE: With this purpose, the authors present an updated proposal and a terminological standardization in Portuguese based on WHO/2008
World Health Organization; Classification; Lymphoma; Leukemia