| 姜新雅,仇斌,李文政,王维.颅内恶性胶质瘤术后脑组织正常反应与术后残存的动态增强MRI鉴别[J].中国医学影像技术,2004,20(4):575~578 |
| 颅内恶性胶质瘤术后脑组织正常反应与术后残存的动态增强MRI鉴别 |
| Dynamic enhanced MR imaging in differentiating normal tissue reaction and residual tumor after resection of intracranial malignant gliomas |
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| DOI： |
| 中文关键词: 恶性胶质瘤 术后 动态增强 磁共振成像 鉴别诊断 |
| 英文关键词:Malignant glioma Postperative Dynamic enhancement Magnetic resonance imaging Differential diognosis |
| 基金项目: |
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| 中文摘要: |
| 目的 评价动态增强MRI对颅内恶性胶质瘤术后脑组织正常反应性增强与术后残存增强的鉴别诊断价值。方法 选取76例颅内恶性胶质瘤患者为试验组,8例良性星形细胞瘤为对照组。所有病例在术后5~16天内行动态增强MRI,经后处理后获得其对比增强率-时间(CER-T)曲线,并对试验组病例进行追踪观察。结果 术后反应性增强的CER-T曲线均为Ⅱ型(70.37％)、Ⅲ型(29.63％),而术后残存增强主要为Ⅳ型(34.21％)和Ⅴ型(57.90％);术后反应性增强的EP、MCER值较术后残存增强高,而TTP较后者短。结论 动态增强MRI对颅内恶性胶质瘤术后早期反应性增强及肿瘤残存增强的鉴别有较高的实用价值。 |
| 英文摘要: |
| Objective To evaluate the dynamic enhanced MR imaging for differentiating normal tissue reaction and residual tumor of postoperative intracranial malignant gliomas. Methods Seventy-six cases of intracranial malignant gliomas and eight cases of benign astrocytomas confirmed by operation and pathology underwent dynamic enhanced MR imaging during 5-16 days after surgery, and the contrast enhancement ratio-time (CER-T) curves were obtained by postprocessing. Fifty-nine cases were followed-up by MRI. Results The CER-T curve type of all postoperative benign enhancement were type Ⅱ (70.37%) or type Ⅲ (29.63%). However, the CER-T curve type of most residual tumor enhancement were type Ⅳ (34.21％) or type Ⅴ (57.90％). EP and MCER of postoperative benign enhancement were higher than those of residual tumor enhancement, but TTP of the former was shorter than that of the latter. Conclusion Dynamic enhanced MR imaging is of great value in differentiating benign enhancement and residual tumor enhancement of early postoperative intracranial malignant gliomas. |
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