Acute megakaryoblastic leukemia and Klinefelter's syndrome.
D000208:Acute Disease; D001854:Bone Marrow Cells; D006801:Humans; D007223:Infant; D007713:Klinefelter Syndrome / Q000150:complications*; D008297:Male; D012729:Sex Chromosome Aberrations / Q000175:diagnosis; D013920:Thrombocythemia, Essential / Q000150:complications*