This document discusses the case of a 21-year-old female patient with a history of acute lymphoblastic leukemia (ALL) and acute myeloid leukemia (AML) who developed a skin lesion on her arm during chemotherapy treatment for AML relapse. Skin biopsy revealed infection with Aspergillus fumigatus. She was diagnosed with cutaneous aspergillosis and treated intravenously with voriconazole. Cutaneous aspergillosis is a rare manifestation of disseminated infection most commonly caused by A. fumigatus in immunocompromised patients, with skin lesions occurring in 5-10% of cases. Treatment involves intravenous antifungal drugs such as amphotericin B