Abstract
BACKGROUND: Acremonium sclerotigenum exhibits antagonistic properties against various detrimental organisms, including bacteria, nematodes, and mites. As the predominant species within the Acremonium genus, it is characterized as an opportunistic pathogenic fungus that commonly inhabits soil and plants as a saprotroph. Additionally, it has been identified as the etiological agent of superficial infections, such as onychomycosis, and, less frequently, invasive infections. CASE PRESENTATION: This study presents a unique case involving a 79-year-old male who developed peritoneal dialysis-associated peritonitis (PDAP) attributed to Acremonium sclerotigenum. To the best of our knowledge, this represents the first documented instance of PDAP caused by this fungal species. CONCLUSION: The identification of pathogens is essential for diagnosing PDAP.