17例MDS中男性10例,女性7例,平均年龄78岁(45—86岁)。对照组均为非血液系统疾病的良性病住院病人。病人于研究前10天,停止服用影响血小板功能的药物。 MDS组和对照组PT、PTT、FDP差别很小。13例病人BT延长,其中3例超过30分钟。13例中7例血小板计数为5—10万/mm~3,BT的延长与血小 Seventeen MDSs included 10 males and 7 females, with an average age of 78 years (45-86 years). The control group were all benign inpatients with non-hematologic diseases. The patient stopped taking drugs that affect platelet function 10 days before the study. The difference of PT, PTT and FDP between MDS group and control group was very small. Thirteen patients had prolonged BT, of which 3 were over 30 minutes. Thirteen of the 13 patients had platelet counts ranging from 50 to 300 000 / mm 3, with prolonged BT and small blood