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Multiple fatal mycetism caused by Amanita virosa in Mexico
J Pérez-Moreno1, A Pérez-Moreno, R Ferrera-Cerrato
1Sección de Microbiología, Colegio de Postgraduados, Edo. de México, Mexico.
Abstract:
Mushroom poisonings caused by amatoxins are mostly lethal. Information about mycetisms caused by white species of Amanita is scarce. The present paper describes a case of mushroom poisoning caused by A. virosa. A prolongated latency period (6-10 hours), followed by cholera-like, improvement and visceral complication phases confirmed the amatoxin poisoning. The consumption of about 3 pounds of the toadstool by seven persons caused the death of five. Two patients survive the ingestion.
Insights
Amatoxin mushroom poisonings, particularly from white Amanita species like A. virosa, are often fatal. This case highlights the severe risks and delayed symptoms associated with A. virosa ingestion, leading to multiple deaths.
Area of Science:
- Mycology
- Toxicology
- Clinical Medicine
Background:
- Amatoxin mushroom poisonings are a significant cause of mortality.
- Data on poisonings by white Amanita species, such as Amanita virosa, is limited.
- Understanding the clinical presentation of A. virosa poisoning is crucial for timely intervention.
Observation:
- A case of severe mushroom poisoning involving Amanita virosa is detailed.
- The poisoning presented with a prolonged latency period of 6-10 hours.
- Symptoms progressed through cholera-like, improvement, and visceral complication phases.
Findings:
- The consumption of approximately 3 pounds of A. virosa by seven individuals resulted in a high fatality rate.
- Five out of the seven individuals ingested the toxic mushroom died.
- Two patients survived the severe amatoxin poisoning.
Implications:
- This case underscores the extreme toxicity of Amanita virosa.
- The prolonged latency and specific clinical phases are characteristic of amatoxin poisoning.
- Effective management strategies for A. virosa poisoning require further investigation to improve survival rates.