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研究行中心静脉插管治疗的２４例癌症患儿上腔静脉系统无症状性血栓形成的发病率。 对象和方法 患儿年龄２０个月～１８岁（中位数年龄９岁），白血病或淋巴瘤１０例，实体瘤１２例，组织细胞病２例，均需留置导管行长期化疗或支持治疗。记录在拔管前有血栓形成的病例。出现迁
The incidence of asymptomatic thrombosis in the superior vena cava system was studied in 24 cancer patients treated with central venous catheterization. Subjects and methods Children aged 20 months to 18 years (median 9 years old), leukemia or lymphoma in 10 cases, solid tumors in 12 cases, 2 cases of histiocytosis were required indwelling catheter long-term chemotherapy or supportive treatment. Thrombosis was recorded before extubation. Appear to move