一般资料 4例患儿中男女各2例,年龄在2岁～13岁。4例均有鼻衄,全身皮肤粘膜及双下肢瘀点、瘀斑,2例有牙龈出血;4例均为皮肤粘膜苍白,自感乏力;血尿2例,均有桕油便。实验室检查 4例ITP入院时血小板分别为30×10~9/L,15×10~9/L,11×10~9/L 16×10~9/L,出血时间均在5′～5′30″,24小时血块收缩均为不佳。骨髓报告3例均巨核细胞正常,1例巨核细胞发育障碍,并且血小板少见;网织红细胞在0.8～2.5％之间;血色素在9.5～ General information 4 cases of children in both men and women in 2 cases, aged 2 to 13 years old. 4 cases had epistaxis, systemic skin and mucous membrane and lower extremity petechia, ecchymosis, 2 cases of bleeding gums; 4 cases were skin mucosa pale, self-senile fatigue; hematuria in 2 cases, all have ulcer oil. The platelet count of the 4 patients with ITP on admission in the laboratory was 30 × 10 ~ 9 / L, 15 × 10 ~ 9 / L and 11 × 10 ~ 9 / L 16 × 10 ~ 9 / L, ’30 ", 24 hours clot contraction are poor.Mythroid report 3 cases were normal megakaryocytes, 1 cases of megakaryocyte dysplasia, and rare platelets; reticulocyte between 0.8 to 2.5%; hemoglobin in the 9.5 ~