Keywords: AFB, acid- fast bacilli; AML, acute myeloid leukemia; HSCT, hematopoietic stem cell transplantation; Mycobacterium abscessus; Mycobacterium massiliense; NTM, nontuberculous mycobacterial; atypical mycobacteria; immunosuppression; leukemia; leukemia cutis; nontuberculous mycobacteria.