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  • Title: Kaposi's sarcoma in patients with human immunodeficiency virus infection in Taiwan.
    Author: Lin CY, Chen MY, Hsieh SM, Sheng WH, Sun HY, Lo YC, Hung CC, Chang SC.
    Journal: J Microbiol Immunol Infect; 2009 Jun; 42(3):227-33. PubMed ID: 19812856.
    Abstract:
    BACKGROUND AND PURPOSE: Kaposi's sarcoma (KS) continues to occur in patients with human immunodeficiency virus (HIV) infection in the era of highly active antiretroviral therapy (HAART), and remains the most common HIV-associated malignancy. This retrospective study was conducted to describe the change in incidence and characteristics of HIV-associated KS in Taiwan. METHODS: The medical records of patients with HIV infection who received a diagnosis of KS at the National Taiwan University Hospital between June 1994 and March 2008 were reviewed. RESULTS: During the 14-year study period, 62 HIV-infected patients were diagnosed with KS, which included 40 definite diagnoses (64.5%) by pathology and 22 probable diagnoses (35.5%) ascertained by characteristic lesions, compatible clinical manifestations, and response to treatment. Most of the patients were men who have sex with men (MSM; n = 53; 85.5%). At the time of diagnosis of KS, the median CD4 count was 20 cells/microL (range, 1-371 cells/microL). A considerable decline in the incidence of KS in HIV-infected patients since the introduction of HAART was demonstrated; in the pre-HAART era, 18 of 175 patients (10.3%; 95% confidence interval [CI], 6.53- 15.75) developed KS, compared with 44 of 1615 patients in the HAART era (2.7%; 95% CI, 2.03-3.65) [p < 0.0001]. The prognosis of HIV-infected patients with KS has improved since the introduction of HAART, as the mortality rate has declined from 77.8% in the pre-HAART era to 34.1% in the HAART era (p = 0.002). CONCLUSIONS: The incidence of KS in HIV-infected patients and the mortality rate of these patients significantly declined in the HAART era, although KS continued to occur in patients with advanced HIV infection.
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