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Type Journal Article - International Journal of Cancer
Title Spectrum of Cancers among HIV-Infected Persons in Africa: The Uganda AIDS-Cancer Registry Match Study
Author(s)
Volume 118
Issue 4
Publication (Day/Month/Year) 2006
Page numbers 985-990
URL http://europepmc.org/abstract/med/16106415
Abstract
Although more than 25 million people in sub-Saharan Africa have human immunodeficiency virus (HIV) infection, little is known regarding their cancer risk. We investigated cancer risk among persons with HIV/AIDS in Uganda using record-linkage. We linked records of 12,607 HIV-infected persons attending The AIDS Support Organization (TASO) in Kyadondo County from October 1988 through December 2002 to the Kampala Cancer Registry. We calculated standardized incidence ratios (SIRs) to identify increased cancer risks in the early (4–27 months after TASO registration), late (28–60 months), or combined (4–60 months) incidence periods. We identified 378 cancers (181 prevalent, 197 incident) among TASO participants. Of incident cancers, 137 (70%) were AIDS-defining cancers. Risk was increased in the early-incident period, compared to the general population, for the AIDS-defining cancers: Kaposi sarcoma (SIR 6.4, 95%CI 4.8–8.4), non-Hodgkin lymphoma (6.7, 1.8–17), and cervical carcinoma (2.4, 1.1–4.4). These three cancers were also increased in the combined periods. Risks of five non-AIDS-defining cancers were increased in the combined periods: Hodgkin lymphoma (5.7, 1.2–17) and cancers of the conjunctiva (SIR 4.0; 1.5–8.7), kidney (16, 1.8–58), thyroid (5.7, 1.1–16), and uterus (5.5, 1.5–14). Cancers of the breast, nasopharynx, and lung were increased either in the early or late incident periods only. Among 407 children, seven cancers were observed, of which five were Kaposi sarcoma. The application of a record-linkage design in Africa broadens the repertoire of epidemiological tools for studying HIV-infected populations. We confirm the increased risks of AIDS-defining cancers and report increased risks of a few non-AIDS-defining cancers.

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