1·BACKGROUND: Successful treatment of gliomas in or adjacent to language areas constitutes a major challenge to neurosurgery.
背景：成功的治疗位于或毗邻于语言区域的神经胶质瘤，在神经外科领域构成了极大的挑战。
2·These have been found in a group of brain tumours called gliomas, alongside several other types of cancer, including melanoma.
这些已经在称为神经胶质瘤的一组脑肿瘤中发现，伴随着几种其他类型的癌症，包括黑素瘤。
3·In the present study the authors assess clinical and imaging results in 20 patients who harbored focal brainstem gliomas treated with GKS between 1990 and 2001.
在这篇研究中，作者对20名1990至2001年接受伽玛刀治疗的局灶性脑干神经胶质瘤患者的临床和影像结果进行了评估。