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。
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.
出处
《中华放射学杂志》
CAS
CSCD
北大核心
1996年第7期463-467,共5页
Chinese Journal of Radiology
关键词
眶肿瘤
肿瘤浸润
CT
OrbitalneoplasmsNeoplasminvasivenessNeoplasmmetastasisTomog-raphy,X-raycomputed
