Zhongguo yi xue ke xue yuan xue bao. Acta Academiae Medicinae Sinicae · 2014
Ultrasonographic features of thyroid nodules accompanied by Hashimoto thyroiditis.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Yang Xiao, Zhang Bo, Jiang Yu-xin, Zhao Rui-na, Zhang Xiao-yan, Li Wen-bo, Zhang Qing, Lai Xing-jian
Аннотация
OBJECTIVE: To compare the ultrasound imaging characteristics of benign and malignant thyroid nodules on the background of Hashimoto's thyroiditis (HT).
METHODS: Totally 120 consecutive patients with pathologically confirmed benign (n=60) or malignant (n=60) thyroid nodules in Peking Union Medical College Hospital since January 2013 were retrospectively analyzed, and their preoperative ultrasound images were reviewed.
RESULTS: Sixty cases (100%) of the malignant nodules were papillary thyroid cancers. In the benign group, 33 cases (55.0%) had nodular changes of HT, 26 (43.3%) had nodular goiter, and one (16.7%) had adenoma. Compared with the benign ones,the malignant nodules were more likely to be solid (91.7% vs. 68.3%, P=0.001), hypoechoic (96.7% vs. 48.3%, P=0.000), ill defined (95.0% vs. 41.7%, P=0.000), irregular (96.7% vs. 43.4%, P=0.000), and more easily to have such characteristics as micro-calcification (71.7% vs. 30.0%, P=0.000), absence of regular halo (96.7% vs. 65.0%, P=0.000), taller-than-wide sign (46.7% vs. 13.3%, P=0.000), and locally increased or irregular blood flow (61.7% vs. 26.7%, P=0.000).
CONCLUSIONS: Ultrasound has an ideal overall sensitivity in differentiating nodules on the background of HT. Solid structure, hypo-echogenicity, ill-defined margin, irregular shape, and absence of regular halo are good screening ultrasound markers. Except for the A/T≥1, the other variables have less satisfactory diagnostic specificity.
METHODS: Totally 120 consecutive patients with pathologically confirmed benign (n=60) or malignant (n=60) thyroid nodules in Peking Union Medical College Hospital since January 2013 were retrospectively analyzed, and their preoperative ultrasound images were reviewed.
RESULTS: Sixty cases (100%) of the malignant nodules were papillary thyroid cancers. In the benign group, 33 cases (55.0%) had nodular changes of HT, 26 (43.3%) had nodular goiter, and one (16.7%) had adenoma. Compared with the benign ones,the malignant nodules were more likely to be solid (91.7% vs. 68.3%, P=0.001), hypoechoic (96.7% vs. 48.3%, P=0.000), ill defined (95.0% vs. 41.7%, P=0.000), irregular (96.7% vs. 43.4%, P=0.000), and more easily to have such characteristics as micro-calcification (71.7% vs. 30.0%, P=0.000), absence of regular halo (96.7% vs. 65.0%, P=0.000), taller-than-wide sign (46.7% vs. 13.3%, P=0.000), and locally increased or irregular blood flow (61.7% vs. 26.7%, P=0.000).
CONCLUSIONS: Ultrasound has an ideal overall sensitivity in differentiating nodules on the background of HT. Solid structure, hypo-echogenicity, ill-defined margin, irregular shape, and absence of regular halo are good screening ultrasound markers. Except for the A/T≥1, the other variables have less satisfactory diagnostic specificity.