Thrombocytopenia as a leukemic prodrome.
D002648:Child; D006801:Humans; D007938:Leukemia / Q000209:etiology*; D007945:Leukemia, Lymphoid / Q000209:etiology*; D008297:Male; D011230:Precancerous Conditions; D011696:Purpura, Thrombocytopenic / Q000150:complications*