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Chinese Journal of Medical Ultrasound (Electronic Edition) ›› 2017, Vol. 14 ›› Issue (04): 274-279. doi: 10.3877/cma.j.issn.1672-6448.2017.04.008

Special Issue:

• Superficial Parts Ultrasound • Previous Articles     Next Articles

Contrast-enhanced ultrasound characteristics of papillary thyroid carcinoma and its relationship with microvessel density and microvessel area

Jing Chong1, Yongmei Sun1,(), Chunping Ning1, Hongqiao Wang1, Zongli Yang1, Hai Dong1   

  1. 1. Department of Ultrasound, the Affiliated Hospital of Qingdao University, Qingdao 266003, China
  • Received:2016-11-23 Online:2017-04-01 Published:2017-04-01
  • Contact: Yongmei Sun
  • About author:
    Corresponding author: Sun Yongmei, Email:

Abstract:

Objective

To explore the correlation between quantitative parameters of blood perfusion with contrast-enhanced ultrasound (CEUS) and microvessel density (MVD), microvessel area (MVA) in papillary thyroid carcinoma (PTC). And to investigate the value of CEUS in evaluating the angiogenesis in PTC before operation.

Methods

Totally 69 cases of patients with papillary thyroid carcinoma were selected from April 2014 to October 2016 in the Affiliated Hospital of Qingdao University. The CEUS characteristics of 69 patients with papillary thyroid carcinoma confirmed by pathology were retrospectively analyzed. The patients were divided into three groups according to maximum diameter of lesions (<1 cm group, 1-2 cm group and >2.0 cm group), and two groups according to pathologic reports (neck lymph node metastatic and nonmetastatic groups). The blood perfusion parameters between or among different groups were evaluated by ″t″test or one-way ANOVA. Immunohistochemical staining were performed to evaluate the MVD, MVA in the surgical specimens, and the correlation of quantitative parameters with MVD, MVA were assessed by Spearman.

Results

(1) Peak Intensity (Peak), area under the curve (AUC), MVD and MVA of thyroid carcinoma were lower than the surrounding normal thyroid tissue (14.95±4.96 vs 22.67±6.11, 970.01±263.20 vs 1798.35±563.67, 118.91±31.32 vs 206.27±39.58, 8.58±2.68 vs 18.47±3.13), and the differences were statistically significant (t=-8.700, -11.061, -14.377 and -20.532, all P<0.05). (2)With the increase of the lesion′s maximum diameter, Peak, AUC, MVD and MVA increased, and the differences were statistically significant (t=0.000, 0.000, 0.000, 0.000; t=0.027, 0.044, 0.033, 0.000; t=0.027, 0.044, 0.033, 0.000, all P<0.05). (3) Papillary thyroid carcinoma with lymphatic involvement had significantly higher values of Peak, AUC, MVD and MVA than those without lymphatic involvement (16.86±4.36 vs 13.80±3.55, 1128.16±290.85 vs 874.39±192.27, 114.12±30.69 vs 103.67±22.19, 10.30±2.44 vs 7.54±2.29), and the differences were statistically significant (t=3.177, 4.366, 6.336 and 4.742, all P<0.05). (4) A positive correlation existed between the Peak, AUC and MVD, and the differences were statistically significant (r=0.506, 0.478, all P<0.05). Peak, AUC and MVA showed positive correlation, and the differences were statistically significant (r=0.648, 0.653, all P<0.05). TP, MTT and MVD, MVA showed no correlations (all P>0.05).

Conclusions

The values of Peak and AUC calculated from CEUS were correlated to MVD and MVA. CEUS may be used to evaluated the angiogenesis of PTC before operation. And CEUS is helpful for prediction of prognosis of PTC.

Key words: Thyroid neoplasms, Ultrasonography, Microvessels

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