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目的探讨CT检查对甲状腺肿瘤的诊断价值。方法回顾性总结2009年1月～2011年12月,在某院行CT检查,并且经过病理证实的甲状腺肿瘤病例500例,探讨CT诊断的表现及准确率。结果甲状腺瘤CT诊断准确率99.01%,甲状腺癌CT诊断准确率100%,结节性甲状腺肿诊断准确率97.19%。甲状腺良性肿瘤CT多表现为圆形或类圆形肿物,密度均匀,边界清楚,有完整包膜,与周围组织无明显浸润,增强扫描轻或中度强化,甲状腺癌多呈不规则形,密度不均一,常有囊变坏死,边界不清,无完整包膜,常常侵蚀周围组织,或有淋巴结转移,强化扫描环形或者不均一强化。结论 CT可以通过肿瘤的密度、轮廓、是否有钙化、以及边界、与周围组织的关系等进行综合分析来判断肿瘤的性质。
Objective To investigate the diagnostic value of CT in thyroid tumors. Methods From January 2009 to December 2011, CT scan of one hospital and 500 cases of pathologically confirmed thyroid tumors were retrospectively reviewed to explore the performance and accuracy of CT diagnosis. Results The accuracy of CT diagnosis of thyroid tumor was 99.01%, the accuracy of CT diagnosis of thyroid cancer was 100%, and the diagnostic accuracy of nodular goiter was 97.19%. Thyroid benign tumors showed mostly round or round-like tumors, uniform density, clear boundaries, a complete envelope, with no significant infiltration of the surrounding tissue, enhanced scan mild or moderate enhancement, mostly irregular thyroid cancer, Inhomogeneous density, often cystic degeneration, unclear boundaries, no complete envelope, often corrode the surrounding tissue, or lymph node metastasis, enhanced scanning ring or uneven enhancement. Conclusion CT can determine the nature of the tumor through a comprehensive analysis of the tumor density, contour, whether there is calcification, and the border with the surrounding tissue.