5岁以下儿童患成髓细胞瘤预后差,单用全脑全脊髓腔放疗(CSART)后易出现放疗并发症,复发率也高。作者就前瞻性低剂量CSART加辅助化疗治疗的10例患儿资料进行了分析。 其中男孩8例,女孩2例,中位年龄3.25(1.6～5.0)岁,所有患儿均接受了手术治疗,其中8例患儿全或次全切除瘤灶,2例患儿大部切除瘤灶,术后病理均证实为成髓细胞瘤,术后全作脑脊液细胞学检 Children under 5 years of age suffer from poor prognosis of myeloblasts, radiation alone after whole-brain radiotherapy (CSART) prone to complications, the recurrence rate is also high. The authors analyzed prospective, low-dose CSART plus adjuvant chemotherapy in 10 children. Among them, 8 were boys and 2 were girls, with a median age of 3.25 (1.6-5.0) years old. All the children underwent surgery, including 8 cases of complete or subtotal resection of tumor, Stove, postoperative pathology confirmed as myeloblastoma, postoperative cerebrospinal fluid cytology