慢性粒细胞性白血病化疗后导致口腔内软组织大面积坏死的并发症极为少见 ,现将我科诊治 1例报道如下。　　　患者 ,女 ,2 7岁。 1994年 12月因脾肿大就诊 ,确诊为慢性粒细胞性白血病。行ＨＡ方案 (三尖酯碱每日 5ｍｇ ,静滴 7日 ;阿糖胞苷每日 2 0 0ｍｇ ,静滴 7日 )一疗程及马 Chronic granulocytic leukemia chemotherapy leads to complications of large areas of necrosis of the soft tissue in the oral cavity. It is rare to report one case of diagnosis and treatment in our department as follows. Patient, female, 2 7 years old. In December 1994, he was diagnosed with chronic myelogenous leukemia due to splenomegaly. The HA program (Trispirillate base daily 5mg, intravenous infusion 7 days; Cytarabine daily 200mg, intravenous infusion 7th) a course of treatment and horse