<i>Candida krusei</i> Lung Abscess With Black Necrotic Aspirate

A profoundly immunocompromised man developed a large cavitary lung lesion producing black, viscous aspirate, with culture confirming <i>Candida krusei</i>. This rare manifestation underscores that atypically dark aspirates from lung cavities should raise suspicion for invasive fungal infection and prompt early antifungal therapy in patients with severe cellular immunodeficiency.