what is hematology
From Wikipedia, the free encyclopedia. Hematology, also spelled haematology (from the Greek Î±á¼·Î¼Î±, haima blood and -Î»oÎ³Î¯Î±), is the branch of medicine concerned with the study, diagnosis, treatment, and prevention of diseases related to the blood.Hematology includes the study of etiology.n some institutions, hematologists also manage the hematology laboratory. Physicians who work in hematology laboratories, and most commonly manage them, are pathologists specialized in the diagnosis of hematological diseases, referred to as hematopathologists or haematopathologists.