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  2. AIDS-related lymphoma - Wikipedia

    en.wikipedia.org/wiki/AIDS-Related_Lymphoma

    A lymphoma is a type of cancer arising from lymphoid cells. In AIDS, the incidence of non-Hodgkin's lymphoma , primary cerebral lymphoma and Hodgkin's disease are all increased. There are three different varieties of AIDS-related lymphoma: Diffuse large B-cell lymphoma , B-cell immunoblastic lymphoma, and Burkitt's lymphoma (small non-cleaved ...

  3. HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/HIV/AIDS

    Acquired immunodeficiency syndrome (AIDS) is defined as an HIV infection with either a CD4 + T cell count below 200 cells per μL or the occurrence of specific diseases associated with HIV infection. [32] In the absence of specific treatment, around half of people infected with HIV develop AIDS within ten years. [32]

  4. Pathophysiology of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Pathophysiology_of_HIV/AIDS

    The activation and proliferation of T cells that results from immune activation provides fresh targets for HIV infection. However, direct killing by HIV alone cannot account for the observed depletion of CD4 + T cells since only 0.01–0.10% of CD4 + T cells in the blood are infected. [citation needed]

  5. Kaposi's sarcoma - Wikipedia

    en.wikipedia.org/wiki/Kaposi's_sarcoma

    The most typical feature of Kaposi sarcoma is the presence of spindle cells forming slits containing red blood cells. Mitotic activity is only moderate and pleomorphism is usually absent. [ 31 ] The tumor is highly vascular , containing abnormally dense and irregular blood vessels, which leak red blood cells into the surrounding tissue and give ...

  6. HIV - Wikipedia

    en.wikipedia.org/wiki/HIV

    DCs are one of the first cells encountered by the virus during sexual transmission. They are currently thought to play an important role by transmitting HIV to T cells when the virus is captured in the mucosa by DCs. [61] The presence of FEZ-1, which occurs naturally in neurons, is believed to prevent the infection of cells by HIV. [62]

  7. Diagnosis of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Diagnosis_of_HIV/AIDS

    The CD4 T-cell count is not an HIV test, but rather a procedure where the number of CD4 T-cells in the blood is determined. A CD4 count does not check for the presence of HIV. It is used to monitor immune system function in HIV-positive people. Declining CD4 T-cell counts are considered to be a marker of progression of HIV infection. A normal ...

  8. Signs and symptoms of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Signs_and_symptoms_of_HIV/AIDS

    The incidence of many common tumors, such as breast cancer or colon cancer, does not increase in HIV-infected patients. In areas where HAART is extensively used to treat AIDS, the incidence of many AIDS-related malignancies has decreased, but at the same time malignant cancers overall have become the most common cause of death of HIV-infected ...

  9. HIV/AIDS research - Wikipedia

    en.wikipedia.org/wiki/HIV/AIDS_research

    The within-host dynamics of HIV infection include the spread of the virus in vivo, the establishment of latency, the effects of immune response on the virus, etc. [6] [7] Early studies used simple models and only considered the cell-free spreading of HIV, in which virus particles bud from an infected T cell, enter the blood/extracellular fluid ...