Juvenile xanthogranuloma and neurofibromatosis 1

A case of juvenile xanthogranuloma associated with neurofibromatosis type 1 in a 9-month-old Chinese boy is presented. The literature concerning the association between these two conditions and juvenile chronic myelogenous leukaemia is highlighted. The patient presently has no evidence of any haematological malignancy, but requires close follow-up.