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1984年2月～1990年9月,作者采用超分割放疗治疗60例脑干肿瘤。41例儿童(<18岁),19例成人。平均年龄9.3岁(2～69岁)。全部病例均行MR检查。35例(儿童24,成人11)活检,其中33例有穿刺组织学诊断。MRI表现可分为局灶性和弥漫性两种。84%未做活检的病例MRI检查为弥漫性病变。肿瘤组织学分类按照USCF标准。全部病例在放疗前及放疗中,均未做过化疗。除1例外治疗均用4～18MVX线。一天二次,每次100cGy,5次/周,平行对穿野。根据MRI片,靶区包括肿
From February 1984 to September 1990, the authors used hyperfraction radiotherapy to treat 60 cases of brain stem tumors. 41 children (<18 years old), 19 adults. The average age of 9.3 years (2 to 69 years old). All cases underwent MR examination. Thirty-five (24 children, 11 adults) biopsies, of which 33 had a puncture histology. MRI manifestations can be divided into two focal and diffuse. 84% of cases without biopsy MRI examination for diffuse lesions. Tumor histological classification according to the USCF standard. All cases before radiotherapy and radiotherapy, have not done chemotherapy. Except for 1 exception treatment were 4 ~ 18 MVX line. Two times a day, each 100cGy, 5 times / week, parallel to the wild. According to MRI films, the target area includes swollen