| 眼眶继发性肿瘤的CT表现：附68例分析 |
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| 引用本文： | 王振常,牛晓丽.眼眶继发性肿瘤的CT表现：附68例分析[J].中华放射学杂志,1996,30(7):463-467. |
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| 作者姓名： | 王振常 牛晓丽 |
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| 作者单位： | 首都医科大学附属北京同仁医院放射科 |
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| 摘 要： | 目的：观察眼眶继发性肿瘤的ＣＴ表现。材料和方法：对６８例经病理学证实的眼眶继发性肿瘤的ＣＴ表现进行回顾性分析。结果：继发于邻近鼻窦的肿瘤占８２．３５％，继发于颅内、颞下窝等邻近结构的肿瘤占１１．７５％，全身恶性肿瘤的眼眶转移占５．８９％。继发于鼻窦、颅内、颞下窝等邻近结构的肿瘤，其形成有眶壁骨质破坏、增生、受压移位以及眼眶裂孔扩大等四种侵入方式，恶性肿瘤以眶壁破坏多见，良性肿瘤各种侵入方式均可见到。ＣＴ表现特征为眶内肿瘤与眶外肿瘤连续，肿瘤中心位于眶外，伴有眼眶骨质改变。结论：ＣＴ检查有助于明确肿瘤来源、范围、性质，具有重要临床意义
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| 关 键 词： | 眶肿瘤 肿瘤浸润 肿瘤转移 断层摄影术.X线计算机 |
CTanalysisofsecondarytumorsoftheorbit |
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| WangZhenchang,NiuXiaoli,XianJunfang,et al..CTanalysisofsecondarytumorsoftheorbit[J].Chinese Journal of Radiology,1996,30(7):463-467. |
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| Authors: | WangZhenchang NiuXiaoli XianJunfang |
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| Institution: | WangZhenchang,NiuXiaoli,XianJunfang,etal.DepartmentofRadiology,BeijingTongrenHospital,Beijing100730 |
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| Abstract: | Purpose:TostudytheCTfindingsofsecondaryorbitaltumors.Materialsandmeth-ods:CTfindingsof68caseswithsecondarytumorsoftheorbitswereanalysed.Results:Tumorssecondarilyinvolvingtheorbitincluded:tumorsofadjacentparanasalsinuses82.35%,intracranialtumorsortumorsofinferiortemperalfossa11.75%andmetastases5.89%.Therewerefourwaysoftumorextensionintotheorbit:orbitalbonydestruction,hypertrophy,displacementoforbitalstruc-turesandenlargementoforbitalfissures.Malignanttumorsusualyinvadedtheorbitviabonyde-struction,whilebenigntumorsextendedintotheorbitbyvariousapproaches.CTdemonstratedthatthetumorsinvolvedboththeorbitandretro-orbitalstructures,andthecenterofthetumorwaslo-catedinretro-orbitalregionassociatedwithorbitalbonychange.Conclusion:CTwasveryhelpfulfordeterminingthesource,extentandnatureofsecondaryorbitaltumors. |
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| Keywords: | OrbitalneoplasmsNeoplasminvasivenessNeoplasmmetastasisTomog-raphy X-raycomputed |
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