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AIDS-defining clinical conditions (aka AIDS-defining illnesses or AIDS-defining diseases) is the list of diseases published by the Centers for Disease Control and Prevention (CDC) that are associated with AIDS, and used worldwide as a guideline for AIDS diagnosis. CDC exclusively uses the term ''AIDS-defining clinical conditions'', but the other terms remain in common use. This list governs the US government classification of HIV disease. This is to allow the government to handle epidemic statistics and define who receives US government assistance. However, considerable variation exists in the relative risk of death following different AIDS defining clinical conditions. ==Definition== According to the CDC definition, a patient has AIDS if he or she is infected with HIV and has either: * a CD4+ T-cell count below 200 cells/µL * a CD4+ T-cell percentage of total lymphocytes of less than 15% * or one of the defining illnesses. A patient presenting one of the above conditions but with laboratory evidence against HIV infection is not normally considered to have AIDS, but an AIDS diagnosis may be given if the patient has had ''Pneumocystis jiroveci'' pneumonia, and has either: * not undergone high-dose corticoid therapy or other immunosuppressive/cytotoxic therapy in the three months before the onset of the indicator disease * been diagnosed with Hodgkin's disease, Non-Hodgkin's lymphoma, lymphocytic leukemia, multiple myeloma, or any cancer of lymphoreticular or histiocytic tissue, or angioimmunoblastic lymphoadenopathy * or been diagnosed with a genetic immunodeficiency syndrome atypical of HIV infection, such as one involving hypogamma globulinemia. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「AIDS-defining clinical condition」の詳細全文を読む スポンサード リンク
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