结论脑表面成像技术可用于颅内肿瘤手术定位，但不能用于周围水肿较重的肿瘤。
Conclusion the brain surface anatomy scanning is useful to the operation of intracranial tumor, except the tumors with serve edema.
超显微结构分析显示肿瘤内，分泌作用的增加可能与脑瘤周围水肿的发生有关。
The ultrastructural features showed some relationship between increased secretory activity and the extent of peritumoral edema.
CT和MRI强化后，肿瘤不均匀增强，可见瘤壁、囊腔、囊壁结节，肿瘤周围环绕不规则形水肿。
The tumors were enhanced inhomogenously after reinforcement in CT and MRI. Tumor was surrounded by irregular edema.
CT和MRI强化后，肿瘤不均匀增强，可见瘤壁、囊腔、囊壁结节，肿瘤周围环绕不规则形水肿。
The tumors were enhanced inhomogenously after reinforcement in CT and MRI. Tumor was surrounded by irregular edema.
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