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High index of suspicion is hence key for early management.<\/jats:p><\/jats:sec><jats:sec><jats:title>Abstract<\/jats:title><jats:p>We present a case of an 81\u2010year\u2010old African male who presented with progressive cough, respiratory distress and bilateral lower limb swelling, and was diagnosed with life\u2010threatening pericardial effusion resulting from chronic myelomonocytic leukemia following complete blood count, peripheral blood film, bone marrow aspirate with trephine biopsy, and flow cytometry studies.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ccr3.9048","type":"journal-article","created":{"date-parts":[[2024,6,7]],"date-time":"2024-06-07T10:43:47Z","timestamp":1717757027000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Chronic myelomonocytic leukemia primarily presenting as life\u2010threatening pericardial effusion, Eldoret, Kenya: A case 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