Monocytosis is an increase in the number of circulating monocytes. A monocyte is a leukocyte, part of the human bodys immune system that protect agains blood-borne pathogens and move quickly to sites of infection in the tissues. ...
Monocytosis often occurs during chronic inflammation. Diseases that produce this state include tuberculosis, chronic neutropenia, and Hodgkin's disease. Tuberculous lungs show up on an X-ray image Tuberculosis is an infection with the bacterium Mycobacterium tuberculosis, which most commonly affects the lungs (pulmonary TB) but can also affect the central nervous system (meningitis), lymphatic system, circulatory system (miliary TB), genitourinary system, bones and joints. ...
It has been suggested that Agranulocytosis be merged into this article or section. ...
Monocytosis can also occur during certain leukaemias, such as chronic myelomonocytic leukaemia (CMML). Leukemia (leukaemia in Commonwealth English) is a group of blood diseases characterized by malignancies (cancer) of the blood-forming tissues. ...
--18.104.22.168 03:48, 27 November 2005 (UTC)Monocytosis: Defined as a monocyte count exceeding the upper limit of the reference range of 950/mcL, monocytosis commonly is caused by the following:
Bacterial infections:These include tuberculosis, subacute bacterial endocarditis, and brucellosis.
Other infections: Syphilis, viral infections (eg, infectious mononucleosis), and many protozoal and rickettsial infections (eg, kala azar, malaria, Rocky Mountain spotted fever) are included.
Malignancies: Malignancies include chronic myelomonocytic leukemia, monocytic leukemia, Hodgkin disease, and myeloproliferative disorders.
Recovery phase of neutropenia or an acute infection
Autoimmune disease and vasculitis: These include systemic lupus erythematosus, rheumatoid arthritis, ulcerative colitis, and inflammatory bowel disease.
Miscellaneous causes: Sarcoidosis and lipid storage disease are included.
--22.214.171.124 03:48, 27 November 2005 (UTC)