Photo Quiz: Disseminated Violaceous Skin Lesions following Allogeneic Stem Cell Transplant

A 58-year-old man was admitted for management of Pseudomonas aeruginosa infection of his tunneled central venous catheter. Eleven months previously, he had received an allogeneic bone marrow transplant for acute myelogenous leukemia secondary to a mutation in runt-related transcription factor 1 (