• Department of Gastrointestinal and Thyroid Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming 650031, Yunnan Province, China;
CHENG Ruochuan, Email: cruochuan@yahoo.com.cn
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Objective  To explore the expressions of galectin-3 (Gal-3) and cytokeratin-19 (CK-19) in different tissues of Hashimoto thyroiditis (HT) complicated with papillary thyroid microcarcinoma (PTMC).
Methods  The tumor tissue, 0.5 cm near tumor tissue, and opposite lateral lobe thyroid tissue in 25 HT with benign nodus patients, 25 PTMC patients, and 25 HT with PTMC patients were collected. The expressions of Gal-3 and CK-19 in these tissues were detected by immunohistochemical methods.
Results  ①The positive rates of Gal-3 and CK-19 expressions in the tumor tissue
of HT with PTMC patients and PTMC patients were significantly higher than those of HT with benign nodus patients (P<0.05).②The positive rates of Gal-3 and CK-19 expressions in the opposite lateral lobe thyroid tissue of HT with PTMC patients and HT with benign nodus patients were significantly higher than those of PTMC patients (P<0.05).③The positive rates of Gal-3 and CK-19 expressions in the 0.5 cm near tumor tissue of HT with PTMC patients and HT with benign nodus patients were significantly higher than those of PTMC patients (P<0.05). ④The middle and b positive rates of Gal-3 and CK-19 expressions in the 0.5 cm near tumor tissue of HT with PTMC patients were significantly higher than those of HT with benign nodus patients and the PTMC patients (P<0.05).
Conclusions  ①Gal-3 and CK-19 protein are helpful to differentiate the benign thyroid tumor and malignant one. ② The expressions of Gal-3 and CK-19 protein in patients with HT are clear higher than those in patients without HT that means the prognosis evaluation in HT canceration. ③ Gal-3 combined with CK-19 protein are help for early diagnosis, the pathogenesis and prognosis evaluation in thyroid cancer. The b positive means canceration. ④ In HT with PTMC, it needs an operation therapy and a larger one, which is appropriate for lateral and opposite lobe partial resection or total resection.

Citation: XU Qiyin,CHENG Ruochuan. Expressions of Galectin-3 and Cytokeratin-19 in Different Tissues of Hashimoto Thyroiditis Complicated with Papillary Thyroid Microcarcinoma. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2013, 20(2): 161-164. doi: Copy

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