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Comparative Study of Computer Tomography and Ultrasound in Diagnosis of Thyroid Carcinoma
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- Author:
- No author available
- Journal Title:
- JOURNAL OF MODERN CLINICAL MEDICAL BIOENGINEERING
- Issue:
- 5
- DOI:
- 10.3760/cma.j.issn.1008-634X.2004.05.006
- Key Word:
- 甲状腺肿瘤;断层摄影术,X线计算机;超声检查
Abstract： 目的对比术前甲状腺癌的CT与超声(Ultrasound,US)表现,评价两种检查方法对甲状腺癌的诊断价值.方法回顾性分析23例同期兼作CT与US检查的甲状腺癌的影像学表现,主要对原发病灶和颈部淋巴结转移进行对比分析,并与临床手术及病理对照.结果 23例甲状腺癌,CT与US两种检查方法在显示肿瘤病灶、形状不规则、密度/回声不均匀和边缘不清楚方面无显著性差异(p>0.05);US对肿瘤囊性、实性及混合性显示率高于CT;CT显示有6例肿瘤出现瘤周"半岛状"瘤结节、4例瘤周"残圈"征;CT检查6例肿瘤出现细颗粒状钙化,US检查4例出现细颗粒状钙化;在颈部淋巴结转移方面,CT检查显示率(60%)略低于US检查(70%).结论超声成像应作为甲状腺癌的首选检查方法,尤其在评价原发病灶及颈部转移性淋巴结方面;CT在肿瘤定性诊断方面具有一定特征性.两种检查手段结合起来,可提高甲状腺癌术前评估和诊断的准确性.
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