Disseminated mucormycosis is a rare, opportunistic, and aggressive infection typically presenting in immunocompromised patients. Herein, we report a 55-year-old male with a past medical history of Philadelphia-negative B-cell acute lymphoblastic leukemia who presented with a 2-month history of non-painful necrotic ulcers on the nose, knuckles, elbow, foot, and scrotum following 3 months of voriconazole (VRC) exposure in the setting of an unrelated fungal pneumonia. Our case reinforces the virulent and often fatal nature of the disease amongst immunocompromised patients, along with extensive VRC exposure as a possible supplementary risk factor. Disseminated cutaneous mucormycosis should be regarded as a differential diagnosis in all immunocompromised patients, especially those with hematologic malignancies or a history of VRC use, who present with cutaneous ulcerations and eschars.

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