2022•Clinical Case ReportsOpen access

Pulmonary aspergilloma with prominent oxalate deposition

Faten Limaïem, H. Blibech, Leila Bouhajja, Leila Ben Farhat, B. Louzir

Abstract

Abstract Some Aspergillus species produce oxalic acid, which reacts with tissue calcium or blood to precipitate calcium oxalate. Oxalate crystals can induce lung and kidney damage. The presence of oxalate crystals can suggest the diagnosis of aspergillosis, even when Aspergillus hyphae are absent on microscopic slides.

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Available abstract

Key concepts: Calcium oxalate, Aspergilloma, Oxalic acid, Oxalate, Aspergillosis, Calcium Oxalate Crystals, Aspergillus, Lung