Renal involvement in mushroom poisoning: The case of Orellanus syndrome

Pasquale Esposito, Edoardo La Porta, Marta Calatroni, Stefania Bianzina, Carmelo Libetta, Marilena Gregorini, Teresa Rampino, Antonio Dal Canton

Research output: Contribution to journalArticlepeer-review

Abstract

Although mushroom poisoning is a rare cause of acute renal injury, in some cases it may lead to the development of a severe and irreversible renal failure. Orellanus syndrome is the most important example of organic renal damage related to mushroom consumption. It is caused by the ingestion of orellanine, the main toxin of different types of Cortinarius mushrooms (Cortinarius speciosissimus, C.orellanus, C.orellanoides, etc.), and it is characterized by progressive clinical phases with a predominant kidney involvement, finally requiring renal replacement therapy in about 10% of cases. Renal damage is often late and associated with a histological picture of interstitial nephritis. Diagnosis is essentially clinical and no specific therapy has been shown to be effective in preventing and treating renal damage. Here, we describe the case of a patient with mixed wild mushroom poisoning, presenting the typical clinical signs and course of the Orellanus syndrome. This case offers us the opportunity to review the main clinical features of this severe and little-known intoxication.

Original languageEnglish
Pages (from-to)E1-E5
JournalHemodialysis International
Volume19
Issue number4
DOIs
Publication statusPublished - Oct 1 2015

Keywords

  • Acute kidney injury
  • Cortinarius
  • Hemodialysis
  • Mushroom poisoning
  • Orellanine

ASJC Scopus subject areas

  • Hematology
  • Nephrology

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