白血病和恶性肿瘤患者在治疗过程中白细胞减少合并感染是死亡的重要原因。此类患者感染征象常不明显,实验室得到肯定的细菌学诊断之前,根据经验尽早应用抗生素治疗是提高抢救成功率的关键。为此,我们调查了33例血液病和肿瘤患者合并感染的病因学及抗生素治疗,报道如下。 Leukemia and malignant tumor patients in the course of treatment of leukopenia infection is an important cause of death. Such signs of infection in patients is often not obvious, laboratory confirmed positive bacteriological diagnosis, according to experience as soon as possible the application of antibiotic treatment is to improve the success rate of rescue key. To this end, we investigated the etiology and antibiotic treatment of 33 patients with blood-borne and tumor-associated infections, reported below.