甲状腺结节超声纵横比与大体组织纵横比的对照研究

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Abstract Objective: To evaluate the diagnostic value of anteroposterior/transverse diameter ratio(A/T) in cases with thyroid nodules by comparing the A/T values between ultrasonography and gross tissue. Methods: The ultrasonic findings of 85 thyroid nodules in 80 cases confirmed by surgery and pathology were analysed. The A/T values in ultrasonographic transverse and longitudinal planes were measured and compared with the A/T values in the postoperative gross tissue longitudinal plane. The A/T values in ultrasonography and gross tissue of benign and malignant thyroid nodules were observed, and the sensitivity, specificity, positive predictive value and accuracy of A/T>1 in ultrasonography in papillary thyroid carcinomas(PTC) were analysed. Results: Of 85 thyroid nodules, 60 nodules were diagnosed as PTC, the remaining as nodular goiter(NG). Among 60 nodules with PTC, there were 27 nodules with A/T>1 in ultrasonographic longitudinal plane, 8 nodules with A/T>1 in gross tissue longitudinal plane, and 8 nodules with A/T>1 in both ultrasonography and gross tissue. Among 25 nodules with NG, 4 nodules with A/T>1 in ultrasonographic longitudinal plane were found, 2 nodules with A/T>1 in gross tissue, and only 1 case with A/T>1 in both ultrasonography and gross tissue. The coincidence rate of A/T>1 in ultrasonographic and gross tissue longitudinal planes was only 33.33%(9/27), but the coincidence rate of A/T≤1 was 98.27%(57/58). The sensitivity, specificity, positive predictive value and accuracy of A/T>1 in ultrasonographic longitudinal plane in the diagnosis of PTC were 45.00%, 84.00%, 87.09% and 56.47% respectively. The sensitivity, specificity, positive predictive value and accuracy of A/T>1 in ultrasonographic transverse or longitudinal plane in the diagnosis of PTC were 61.66%, 84.00%, 90.24% and 68.24% respectively. Conclusions: There is a large difference in A/T between ultrasonography and gross tissue in thyroid nodules, but A/T>1 in ultrasonography remains an important basis for the judgment of the PTC, the combined application of A/T in ultrasonographic transverse and longitudinal planes can improve the sensitivity, positive predictive value and accuracy of diagnosis of PTC.

Key words： Thyroid nodule Ultrasonography, Doppler, color

Received: 18 September 2015

PACS:	Ｒ736.1
	Ｒ581
	R445.1

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	Articles by authors
	DING Jin-wang
	HAN Zhi-jiang
	ZHANG Wo
	PENG You
	LUO Ding-cun
	BAO Ling-yun
	GU Ying
	PAN Gang

Cite this article:

DING Jin-wang,HAN Zhi-jiang,ZHANG Wo, et al. A comparative analysis of anteroposterior/transverse diameter ratio between ultrasonography#br# plane and gross lesion tissue in thyroid nodules[J]. JOURNAL OF CHINA MEDICAL IMAGING, 2016, 27(5): 337-340.

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http://www.jccmi.com.cn/EN/ OR http://www.jccmi.com.cn/EN/Y2016/V27/I5/337

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