Comparison of ultrasonography and computed tomography in identification of calcifications and malignancy prediction of papillary carcinoma and microcarcinoma of the thyroid

LI Jiawei; CHANG Cai; CHEN Min; ZENG Wei; ZHOU Shichong

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Comparison of ultrasonography and computed tomography in identification of calcifications and malignancy prediction of papillary carcinoma and microcarcinoma of the thyroid

更新时间：2026-06-18

- Comparison of ultrasonography and computed tomography in identification of calcifications and malignancy prediction of papillary carcinoma and microcarcinoma of the thyroid
- Vol. 26, Issue 5, Pages: 313-317(2017)
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- Online First：08 December 2017，
  
  Published：08 December 2017
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李佳伟,常才,陈敏,等. 超声与CT对甲状腺乳头状癌和乳头状微癌钙化检测及恶性预测的价值研究[J]. 肿瘤影像学, 2017, 26(5): 313-317
DOI：

李佳伟,常才,陈敏,等. 超声与CT对甲状腺乳头状癌和乳头状微癌钙化检测及恶性预测的价值研究[J]. 肿瘤影像学, 2017, 26(5): 313-317 DOI：

摘要

目的：

探讨超声与CT识别甲状腺乳头状癌与乳头状微癌中钙化发生率的一致性与差异性，同时比较超声与CT诊断乳头状癌和乳头状微癌的准确率。

方法：

回顾性分析3 678例甲状腺癌患者的术前超声、CT及术后病理，其中2 258例为乳头状癌、1 420例为乳头状微癌。入组标准为病理证实为乳头状癌或乳头状微癌，且超声、CT或病理任一项检查提示有钙化存在，分析比较超声与CT检出钙化的情况。

结果：

超声对钙化的检出率为91.0%，CT为52.9%，差异有统计学意义(

＜0.000 5)。超声对甲状腺乳头状癌与乳头状微癌钙化的检出率差异无统计学意义(91.2%

. 90.6%，

=0.491)，而CT对乳头状癌与乳头状微癌钙化的检出率差异有统计学意义(56.3%

. 47.3%，

＜0.000 5)。超声诊断乳头状癌与乳头状微癌的准确率显著高于CT(95.7%

. 38.1%，

＜0.000 5)。超声诊断乳头状癌与乳头状微癌的准确率相当(95.9%

. 95.4%，

=0.404)，但CT诊断乳头状癌的准确率显著高于乳头状微癌(45%

. 27%，

＜0.000 5)。

结论：

超声对乳头状癌与乳头状微癌钙化的检出率相当，而CT对乳头状微癌钙化的检出率低于乳头状癌。同时，超声诊断乳头状癌与乳头状微癌的准确率相当，而CT诊断乳头状微癌的准确率低于乳头状癌。

Abstract

Objective:

To investigate the agreement and difference between ultrasonography (US) and computed tomography (CT) in identifying calcifications inside papillary carcinoma and microcarcinoma of the thyroid

and to compare the accuracies of US and CT in the diagnosis of papillary carcinoma and microcarcinoma of the thyroid.

Methods:

The data of 3 678 cases of thyroid carcinoma were reviewed including the pre-operative reports of US and CT and post-operative pathological results. The inclusion criterion was calcification reported by either US

CT or pathology in thyroid carcinoma.

Results:

Out of 3 678 records

91.0% were found to have calcifications by US; while 52.9% showed calcifications in CT images. There was significant difference between US and CT (

0.000 5). The calcification rates of papillary carcinoma and microcarcinoma detected by US were similar (91.2%

. 90.6%

=0.491); while CT showed higher calcification rate for papillary carcinoma than microcarcinoma (56.3%

. 47.3%

0.000 5). In terms of the diagnostic accuracy of malignancy

US was superior to CT (95.7%

. 38.1%

0.000 5). For papillary carcinoma and microcarcinoma

US showed no significant difference in the diagnostic accuracy (95.9%

. 95.4%，

=0.404)

while CT showed higher superiority in diagnosing papillary carcinoma than microcarcinoma (45%

. 27%

0.000 5).

Conclusion:

US is equivalent in the detection of calcification and diagnosis of malignancy between thyroid papillary carcinoma and microcarcinoma

while CT detects more calcifications and predicts more malignancy in papillary carcinoma than microcarcinoma.

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