自家免疫性疾病多见于恶性血液病。特发性血小板减少性紫癜(ITP)曾见于何杰金氏病、非何杰金氏淋巴瘤和慢性淋巴细胞型白血病,但未见于急性淋巴细胞型白血病。本文报告一例小儿急性淋巴细胞型白血病并发免疫性血小板减少性紫癜, 病例报告 6岁,女孩,因食欲不振,毕衄,皮肤出血斑以及头痛两周于1972.8.住院。体检发现面色苍白、淋巴结肿大、轻度脾肿大、全身皮肤散布瘀斑,神经系统无异常。初期血检:Hb Autoimmune diseases more common in hematological malignancies. Idiopathic thrombocytopenic purpura (ITP) has been seen in Hodgkin’s disease, non-Hodgkin’s lymphoma and chronic lymphocytic leukemia, but not seen in acute lymphoblastic leukemia. This article reports a case of pediatric acute lymphoblastic leukemia complicated with idiopathic thrombocytopenic purpura. A 6-year-old girl was reported to have been hospitalized for two weeks in 1972.8 due to loss of appetite, bleomycin, blemished skin and headache. Physical examination found pale, swollen lymph nodes, mild splenomegaly, systemic ecchymosis, nervous system without exception. Initial blood test: Hb