Case for 2014 Dermpedia Hematopathology Conference. Leukemia cutis?

    A 9-month-old full-term boy was admitted due to fever, abdominal distension and diarrhea for 2 weeks. Hepatosplenomegaly was noted and the blood test and bone marrow examination showed acute myeloid leukemia. 

    Several brownish to erythematous nodules and plaques were noted on his scalp. A skin biopsy was taken under the impression of leukemia cutis.