BACKGROUND: Pyogenic and amoebic liver abscesses are rare, potentially lethal conditions. In this study, we aimed to examine the clinical and pathological differences between them. METHODS: Patients with confirmed liver abscesses were divided into two groups: the pyogenic (n = 47) and amoebic group (n = 21), which were analyzed for differences in clinical and laboratory findings. RESULTS: Amoebic liver abscesses presented most frequently in young adults (14 - 30 years;71%), whereas pyogenic liver abscesses were most commonly observed in adults 41 - 50 years (49%). Indirect hemagglutination test revealed a 100% positive response in the amoebic group, whereas 68% of the pyogenic group presented with blood/pus culture. Multiple abscesses were observed in 66% and 24% of patients in the pyogenic and amoebic group, respectively. CONCLUSIONS: Pyogenic abscesses were commonly observed in older patients, and were associated with features such as markedly deranged liver function test, higher prothrombin time, and multiple abscesses, compared to amoebic abscess. Early and improved diagnoses and differentiation between the two conditions, followed by the correct treatment, can help prevent serious complications and lead to an overall improved mortality rate.
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