结节性甲状腺肿的CT诊断

CT Diagnosis of Nodular Goiter

目的:观察结节性甲状腺肿CT表现,探讨结节性甲状腺肿的CT特征。材料和方法:回顾性分析了52例经手术病理证实的结节性甲状腺肿的CT表现,并与病理所见作对照研究。结果:根据52例结节性甲状腺肿的CT表现,将其分为弥漫型和局限型两种类型,弥漫型38例(双侧16例,单侧22例),局限型14例(多发8例,单发6例)。15例弥漫型病变伴大范围囊变者,囊壁环状强化,厚薄不均,壁结节强化,囊内呈岛状强化,是结节性甲状腺肿的特征性表现,而病灶密度、钙化、延伸范围、对气管血管压迫情况只可作为诊断的参考依据。结论:CT扫描特别是增强及薄层扫描对诊断结节性甲状腺肿具有重要价值,并能评价其与周围结构的关系。

Purpose:To evaluate and study CT character of nodular goiter.Materials and Methods:CT findings of52patients with nodular goiter proved by surgery and pathology were reviewed and compared with pathology findings.Results:38patients with diffuse type(16two sides and22one side),14patients with localized type(8multinodular goiters and6single nodular goiters).In15diffuse cases with cystic forma-tion,CT characteristic findings of nodular goiter were that cyst wall was circular enhanced,thick and thin was heterogeneous,nodular wall was enhanced and intracyst was focal enhanced.Density,calcifica-tion and size of focus and trachea oppression were only as refered as refrence proof of diagnosis.Con-clusion:Contrast enhanced and sliced CT scan is valuable for diagnosing nodular goiter and evaluating relation of nodular goiter with peripheric structures.