Dataset Information

Interleukin-17 and vascular endothelial growth factor: new biomarkers for the diagnosis of papillary thyroid carcinoma in patients with Hashimoto's thyroiditis.

ABSTRACT:

Objective

The incidences of papillary thyroid carcinoma (PTC) and Hashimoto's thyroiditis (HT) have shown increasing trends. Numerous studies have shown a close relationship between the two diseases, but the exact mechanism linking PTC with HT is still unclear. Interleukin-17 (IL-17) plays an important role in the development of malignant tumors. However, information on the association between IL-17 and thyroid disease is lacking.

Methods

Tissue samples were collected from patients with thyroid diseases admitted to the thyroid surgery department of our hospital between May 2015 and December 2017. The characteristics of the thyroid were observed by ultrasonography, hematoxylin-eosin staining, enzyme-linked immunosorbent assays, and immunohistochemistry.

Results

We found that HT with carcinoma (HTC) showed unique characteristics in two-dimensional ultrasound images. Moreover, IL-17 and vascular endothelial growth factor (VEGF) levels showed gradually increasing trends during the process of HT malignant transformation, with a significant positive correlation between the two cytokines. Serum IL-17 and VEGF levels could distinguish between HTC and HT with benign adenoma.

Conclusion

Our data suggest that serum IL-17 and VEGF levels may represent novel biomarkers for the diagnosis of HT malignant nodules.

SUBMITTER: Li S

PROVIDER: S-EPMC8793523 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundHashimoto's thyroiditis (HT) is the most prevalent inflammatory disorder of the thyroid gland. Current studies have reported the coexistence rate between HT and papillary thyroid carcinoma (PTC) is quite high. The objective of this study was to evaluate the impact of HT on the predictive factors of central compartment lymph node metastasis (CLNM) in PTC.MethodsA retrospective investigation was performed on PTC patients. They were subclassified into HT and non-HT groups. The results of preoperative neck ultrasound (US) examinations were reviewed. The clinical characteristics and the predictive value for CLNM were explored and compared between the two groups.ResultsA total of 756 patients were included in this study. There were more female patients (86.1%) in the PTC coexistent with the HT group than non-HT group. The patients with HT group had higher preoperative serum level of TSH. There was statistically significant difference between the HT patients and non-HT patients in nodular vascularization. Univariate and multivariate analyses showed that male, age ≤45 years old, tumor diameter >1 cm, and presence of suspicious central compartment lymph node on US, irregular nodular shape, multifocal carcinoma were independent predictive factors of CLNM in PTC patients. It was showed that male, age ≤45 years old, tumor diameter >1 cm, multifocality, and presence of suspicious central lymph node on US were risk factors for CLNM in non-HT patients. Only tumor diameter >1 cm and presence of suspicious central lymph node on US were independently correlated with CLNM in HT patients. The sensitivity of the multivariate model was 63.5%, and specificity was 88.9% for prediction CLNM in HT patients. For non-HT patients, the AUC was 80.6%, the sensitivity of the multivariate model was 64.5%, and specificity was 85.2.ConclusionPTC combined with HT is more common in women, and TSH level in HT group is higher than that in patients with PTC alone. Regardless of that HT is not a related risk factor of CLNM in PTC, our result suggested that different predictive systems should be used for HT and non-HT patients respectively to have a more accurate evaluation of CLNM in clinic.