Fatality Due to Paraquat Intoxication: Confirmation by Postmortem Tissue Analysis

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Abstract
A brief case report is presented describing a patient who unknowingly ingested a fatal amount of paraquat, presumably mixed in some illicit moonshine alcohol. Despite an initial clinical presentation typical of paraquat intoxication, the herbicide was absent upon analysis of multiple urine and blood specimens, and the diagnosis was comfirmed only postmortem after determination of high paraquat tissue concentrations in all the major organs. Autopsy results are presented along with a discussion of the histopathologic changes observed in the lungs, liver, andkidneys. Because the combination of toxicologic sequelae attributable to acute paraquat poisoning is fairly unique to this agent, the diagnosis must be suspected highly early in the clinical course of such cases and appropriate therapy initiated, despite the inability to isolate paraquat on preliminary laboratory screening.

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