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Rare reports of infection with Arthrographis kalrae have often demonstrated a protracted clinical course. We describe refractory infection of the native knee with Arthrographis kalrae after a penetrating injury and Yttrium synovectomy, finally controlled with two stage joint revision and combination antifungal therapy. The paucity of worldwide data about such uncommon invasive fungal infections contributes to the diagnostic and therapeutic challenges of these cases.
Boan et al. (Sun,) studied this question.