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目的：探讨χ刀治疗颅内外疾病的效果及ＣＴ表现。方法：对颅内外病变１０５例共１２０个病灶施行χ刀治疗，３６例于χ刀术后２～９个月进行ＣＴ随访，其中胶质瘤１６例，转移瘤７例，脑膜瘤５例，鼻咽癌１例，听神经瘤２例，垂体瘤３例，脑血管畸形２例。３例χ刀治疗后又行外科手术。结果：在ＣＴ随访的３６例中１０例缩小、明显缩小以致消失。８例与治疗前相比无改变。其余各例均发生形态变化。３例χ刀治疗后又进行外科手术，病理结果显示有大量凝固性坏死组织存在，检见或未检见瘤细胞。结论：我们的经验及短期随访结果表明，χ刀对控制肿瘤是一种有效的治疗手段。
Objective: To investigate the effect and the CT manifestation of the treatment of intracranial and extracranial diseases by mortis. Methods: Twenty-five lesions in 105 patients with intracranial and extracranial lesions were treated with gingival knife. Thirty-six patients were followed up for 2 to 9 months after operation. Among them, 16 cases were gliomas, 7 were metastatic tumors, and 5 were meningiomas. There were 1 case of nasopharyngeal carcinoma, 2 cases of acoustic neuroma, 3 cases of pituitary tumor, and 2 cases of cerebral vascular malformation. Three patients underwent surgery after the treatment with a scalpel. RESULTS: Of the 36 cases with CT follow-up, 10 cases were narrowed, significantly reduced, and disappeared. Eight cases did not change compared with before treatment. All other cases have undergone morphological changes. Three patients underwent surgery after syringomyelitis. Pathological findings showed that a large number of coagulative necrotic tissues existed, and neoplastic cells were detected or not detected. Conclusion: Our experience and short-term follow-up results indicate that the morsel knife is an effective treatment for tumor control.