Delayed onset acute renal failure associated with Amanita pseudoporphyria Hongo ingestion.

A66-year-old man withdiabetesdeveloped acuterenal failureafter ingestion of Amanita pseudoporphyria Hongo.Laboratory datashowed acutenonoliguric renalfailure. Arenalbiopsy showed acutetubularnecrosiswith glomerularminorabnormalities. Hereceived hemodialysis treatment for 3 weeks andhis renalfunction normalized2 months after admission. We discussthedifferences in acute renal failure caused by possible toxins of Amanita pseudoporphyria Hongo fromthat causedby other poisonous mushrooms. (InternalMedicine 42:78-81,2003)