ArticlePLoS neglected tropical diseases2025
Etiological spectrum and diagnostic features of lymphadenopathy in People Living with HIV in French Guiana: A 17-years multicenter retrospective case series.
Article in PLoS neglected tropical diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Abstract
introductionLymph node enlargement can be present at any stage of the HIV infection, reactive to HIV itself, another infection, or a malignant source. The aim of our study was to describe the causes of lymphadenopathy in the people living with HIV (PLHIV) of French Guiana, a French territory in the Amazon region.
methodsA retrospective multicenter case series was conducted between January 2005 and December 2021. Inclusion population consisted of PLHIV who underwent a fine needle aspiration or a biopsy of a lymph node that was analyzed at the Department of Pathology of Cayenne hospital.
resultsWe included 152 adults, with a median age of 43 [35-51] years and median CD4 count of 185/mm3 [60-344]. The main causes of lymphadenopathy were: histoplasmosis (25%, CI95%: 18-33), followed by tuberculosis (24%, CI95%: 18-32), HIV-reactive lymphadenitis (21%, CI95%: 15-29) and lymphoproliferative disorder (11%, CI95%: 7-18). Multiple causes were present in 6% of cases. Opportunistic infections represented 53% (CI95%: 44-61) of cases. The main characteristics associated with opportunistic disease (infectious or neoplastic) were lymph node > 5 cm, CD4 count < 200/mm3, hepatomegaly or splenomegaly and the presence of extra-ganglionic symptoms.
conclusionFor the last 17 years, opportunistic infections represented 53% of the causes of lymphadenopathy among PLHIV. Histoplasmosis, already recognized as the first AIDS-defining condition and first cause of AIDS-related deaths in French Guiana, is also the first cause of lymphadenopathy in PLHIV, ahead of tuberculosis and reactive lymphadenopathy. The CD4 count and the size of the lymph nodes appear to be the most important factors in the diagnostic process and should lead to a quick lymph node analysis in these patients.
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