Abstract
In order to assess the effect of the HIV epidemic on lymph node biopsies in Central Africa, HIV-1 serology was tested on a cohort of patients undergoing node biopsy in Lusaka in 1990 and the histology of all lymph nodes biopsied in Lusaka in 1981 and 1990 was reviewed. One hundred and eighteen lymph nodes were biopsied in 1981 and 351 in 1990. Cases of tuberculous lymphadenitis increased from 52 (31 children and 21 adults) in 1981 to 186 (22 children, 160 adults, four patients unknown age) in 1990. Sixty-eight of 77 adults (88%) with tuberculous lymphadenitis in 1990 tested HIV-positive. Cases of histology suspicious of primary HIV lymphadenopathy and nodal Kaposi's disease also increased. Cases of malignant lymphadenopathy and overall number of surgical biopsies remained equivalent for 1981 and 1990. The study concludes that the HIV epidemic has led to a large increase in diagnostic lymph node biopsies in Lusaka, mostly through an increase in HIV-related adult tuberculous lymphadenitis.
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