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延髓星形细胞瘤是儿童脑干肿瘤中特殊的一型,因它与桥脑区的脑干胶质瘤相比有较好的预后。作者复习了一组儿童延髓星形细胞瘤的临床、影像学特征以及诊断处理和结局。在10年期间(1988年1月～1998年8月)有11例病人被确诊为延髓星形细胞瘤。年龄自10天～18岁,平均7岁;女性6例,男性5例。11例均行MR检查,有4例还作了CT检查。CT扫描层厚5～10mm,4例病人仅行平扫。8例病人应用1.5T MRI扫描仪;2例用0.5T;1
Medullary astrocytoma is a special type of brain stem tumor in children because it has a better prognosis than pontine brain stem glioma. The authors reviewed the clinical, radiological features, diagnostic procedures and outcomes of a group of children’s medullary astrocytomas. Eleven patients were diagnosed as medullary astrocytoma over a 10-year period (January 1988-August 1998). Age from 10 days to 18 years old, an average of 7 years; 6 females, 5 males. Eleven patients underwent MR examination, 4 patients also made a CT examination. CT scan thickness 5 ~ 10mm, 4 patients only plain scan. 8 patients with 1.5T MRI scanner; 2 patients with 0.5T;