Liver failure associated with mahogany seed extract consumption

A 45-year-old woman presented to the emergency department with jaundice of 2 weeks' duration. This was associated with mahogany seed extract (Skyfruit supplement) consumption for 6 months prior to admission. Examination was normal apart from scleral icterus and grade 2 encephalopathy. Liver function tests showed a hepatocellular pattern of derangement: alanine transaminase, 1267 U/L (10–36); aspartatetransaminase, 1255 U/L (10–30); alkaline phosphatase, 124 U/L (22–104); bilirubin, 258 µmol/L (3–21) with a prolonged prothrombin time of 16.8 s (9.2–11.0). Viral hepatitis work-up was largely unremarkable and liver biopsy showed moderate inflammatory infiltrates (mostly lymphocytic with scattered eosinophils) in the periportal region and lobule with bridging necrosis, favouring drug-induced liver injury. Withdrawal of the drug resulted in normalisation of liver function.

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