作者结合自己病例就32例原发性血小板增多症进行了临床分析,所有病例均符合下列条件:(1)末梢血小板数>80万/立方毫米;(2)血小板大小不一,偶见巨核细胞;(3)红细胞数<600万/立方毫米,血色素<18克%,白细胞<5万/立方毫米;(4)伴血栓性出血现象;(5)骨髓明显增生,尤为巨核细胞系统;(6)无白血病细胞浸润;(7)除外慢粒、真性红细胞增多症、骨髓纤维化症、脾切除后,结核、肉样瘤等继发性血小板增多症。32例本症中,男18例,女14例,年龄17～78岁,60岁以上者占半数。主要症状为出血性症状和血管栓塞性症状两大类。包括病程中有出血症状者22例 The authors combined their own cases of 32 cases of primary thrombocytosis clinical analysis, all cases are in line with the following conditions: (1) the number of peripheral platelets> 80 million / cubic millimeter; (2) platelet size, occasionally megakaryocytes ; (3) erythrocyte number <6 million / cubic millimeter, hemoglobin <18%, white blood cell <50,000 / cubic millimeter; (4) thrombotic hemorrhage; (5) bone marrow hyperplasia, especially megakaryocytic system; ) Without leukemia cell infiltration; (7) except for CML, polycythemia vera, myelofibrosis, splenectomy, tuberculosis, meat tumor and other secondary thrombocytosis. 32 cases of this disease, 18 males and 14 females, aged 17 to 78 years old, 60 years of age accounted for half. The main symptoms of hemorrhagic symptoms and vascular embolism symptoms two categories. Including the course of bleeding in 22 cases