AskDefine | Define hematologist

Dictionary Definition

hematologist n : a doctor who specializes in diseases of the blood and blood-forming organs [syn: haematologist]

User Contributed Dictionary


Alternative spellings


  1. A scientist, usually a medical doctor, who specializes in hematology.

Extensive Definition

Hematology (American English) or haematology (British English) is the branch of biology (physiology), pathology, clinical laboratory, internal medicine, and pediatrics that is concerned with the study of blood, the blood-forming organs, and blood diseases. Hematology includes the study of etiology, diagnosis, treatment, prognosis, and prevention of blood diseases. The lab work that goes into the study of blood is performed by a Medical Technologist.
Blood diseases affect the production of blood and its components, such as blood cells, hemoglobin, blood proteins, the mechanism of coagulation, etc.

Hematologists and Hematopathologists

Physicians specialized in hematology are known as hematologists. Their routine work mainly includes the care and treatment of patients with hematological diseases, although some may also work at the hematology laboratory viewing blood films and bone marrow slides under the microscope, interpreting various hematological test results. In some institutions, hematologists also manage the hematology laboratory. Physicians who work in hematology laboratories, and most commonly manage it, are pathologists specialized in the diagnosis of hematological diseases, referred to as hematopathologists. Hematologists and hematopathologists generally work in conjunction to formulate a diagnosis and deliver the most appropriate therapy if needed. Hematology is a distinct subspecialty of internal medicine, separate from but overlapping with the subspecialty of medical oncology. Hematologists may specialise further or have special interests, for example in:
''(Hema- comes from the Greek word "`'aima" meaning "blood", -ology means study of.

Common basic clinical hematology tests

In a clinical laboratory the hematology department performs numerous different tests on blood. The most commonly performed test is the complete blood count (CBC) also called full blood count (FBC), which includes; white blood cell count, platelet count, hemoglobin level and several parameters of red blood cells. Coagulation is a sub-speciality of hematology; basic general coagulation tests are the prothrombin time (PT) and partial thromboplastin time (PTT). Another common hematology test in the erythrocyte sedimentation rate (ESR).
In a blood bank the Coombs test is the most commonly performed test.

Classification of hematologic diseases

Major categories of hematologic disease include:


Treatments include:

External links

hematologist in Afrikaans: Hematologie
hematologist in Arabic: علم الدم
hematologist in Bengali: রক্তবিদ্যা
hematologist in Bulgarian: Хематология
hematologist in Catalan: Hematologia
hematologist in Czech: Hematologie
hematologist in German: Hämatologie
hematologist in Spanish: Hematología
hematologist in Esperanto: Hematologio
hematologist in Basque: Hematologia
hematologist in Persian: خون‌شناسی
hematologist in French: Hématologie
hematologist in Galician: Hematoloxía
hematologist in Indonesian: Hematologi
hematologist in Icelandic: Blóðfræði
hematologist in Italian: Ematologia
hematologist in Hebrew: המטולוגיה
hematologist in Latin: Haematologia
hematologist in Lithuanian: Hematologija
hematologist in Dutch: Hematologie
hematologist in Nepali: रक्तशास्त्र
hematologist in Japanese: 血液学
hematologist in Norwegian: Hematologi
hematologist in Low German: Hämatologie
hematologist in Polish: Hematologia
hematologist in Portuguese: Hematologia
hematologist in Romanian: Hematologie
hematologist in Russian: Гематология
hematologist in Albanian: Hematologjia
hematologist in Slovak: Hematológia
hematologist in Finnish: Hematologia
hematologist in Swedish: Hematologi
hematologist in Thai: โลหิตวิทยา
hematologist in Turkish: Hematoloji
hematologist in Chinese: 血液學
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