Difficult to detect and treat once the damage is done, carbon monoxide is known as the silent killer. This sneaky, toxic gas finds its way into your home through a wide range of seemingly harmless sources.
More Info... by email. wiseGEEK Slideshows. Inflammation of the small blood vessels of the body is known as leukocytoclastic vasculitis. This disorder causes damage to the blood vessels, leading to bleeding and sometimes damage to surrounding tissues.
Lymphocytosis is increase in the lymphocyte counts to what is normal for age. Lymphocyte count is highest at birth and falls with age. Normal lymphocyte counts in adults is 1000 to 4800 cells/mm 3. Causes of Lymphocytosis. Lymphocytosis may be reactive (see table below) or due to a malignancy. Reactive lymphocytosis is polyclonal. Lymphocytosis due to malignancy is monoclonal. The most common cause of reactive lymphocytosis is infectious mononucleosis due to Epstein-Barr virus infection. Reactive lymphocytosis may be seen in other viral infections, drug hypersensitivity, thymoma and after splenectomy. Persistent polyclonal B cell lymphocytosis is a condition found in middle aged women who smoke. Monoclonal B cell lymphocytosis and chronic lymphocytic leukaemia are the commonest causes of primary lymphocytosis.