This report presents an extremely rare case of a fungal mycotic aneurysm due to Magnusiomyces capitatus in a 51-year-old woman who is immunocompromised. The diagnosis was based on multiple computed tomography scans and the identification of the pathogen via sequencing of the internal transcribed spacer region. Long-term treatment with caspofungin for previous candidemia likely promote... https://www.opheliasmuse.com/