| 李萍,张云亭,刘松龄,刘国栋.颈内动脉的MRI表现对诊断垂体腺瘤侵袭海绵窦的价值[J].中国医学影像技术,2003,19(3):314~316 |
| 颈内动脉的MRI表现对诊断垂体腺瘤侵袭海绵窦的价值 |
| Diagnosis of Cavernous Sinus Invasion by Pituitary Adenomas: MRI of Internal Carotid Artery |
| 投稿时间：2002-07-10 |
| DOI： |
| 中文关键词: 垂体腺瘤 颈内动脉 磁共振成像 |
| 英文关键词:Pituitary adenoma Internal carotid artery Magnetic resonance imaging |
| 基金项目: |
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| 摘要点击次数: 1912 |
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| 中文摘要: |
| 目的 研究垂体腺瘤对颈内动脉海绵窦段的影响对于诊断海绵窦是否侵袭的价值。方法 分析103例经病理证实的垂体腺瘤的MRI资料,测量两侧颈内动脉距中线距离、横径、被肿瘤包绕程度、颈内动脉间距及肿瘤的横径和体积。结果 两侧颈内动脉间平均距离为(24.44±4.22)mm。颈内动脉间距与肿瘤横径明显相关,而与肿瘤体积的相关性相对较差。海绵窦是否侵犯与同侧颈内动脉被包绕范围明显相关,而与颈内动脉距中线距离及颈内动脉横径无关。结论 两侧颈内动脉间距主要由肿瘤的横径而不是肿瘤的体积决定。颈内动脉为肿瘤包绕范围<1/3,海绵窦未受侵犯;若>2/3,则海绵窦受侵犯。术前观测垂体腺瘤对颈内动脉的影响,对手术具有指导意义。 |
| 英文摘要: |
| Objective To study the effect of pituitary adenomas on internal carotid artery (ICA) in evaluating the cavernous sinus invasion. Methods MRI of 103 patients with pituitary adenomas verified by pathology was studied. The distance between the ICA and midline, encasement of intercavernous ICA and the volume of the tumor were measured. Results The mean ICA distance was (24.44±4.22)mm. It was related to the width of the tumor which was more significant than the volume. Cavernous sinus invasion was related to the extent of encasement of ICA. The other items were not related to cavernous sinus invasion. Conclusion It was not the volume but the width of the tumor determined the intercarotid distance. Cavernous sinus was not invaded when the encasement of ICA was less than 1/3, and cavernous sinus invasion was certain when the encasement was more than 2/3.The evaluation of the effect of pituitary adenomas on ICA might play an important role in guiding operations. |
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