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Eur Rev Med Pharmacol Sci. 2015 Aug;19(15):2824-9.

Autoimmunity and thyrotropin level in developing thyroid malignancy.

Author information

1
Department of Endocrinology, Clinical Center of Montenegro, Faculty of Medicine University of Montenegro, Podgorica, Montenegro. com_nr@yahoo.com.

Abstract

OBJECTIVE:

Malignancies and autoimmune thyroid disease are still controversial, but recent studies prove that a long lasting thyroid disease may be linked with malignancy, e.g. papillary thyroid carcinoma in patients with Hashimoto thyroiditis. Having in mind that thyrotropin is a thyroid growth factor, the relationship between its serum values, as well as the levels of anti-peroxidase and anti-thyroglobulin antibodies and thyroid malignancy in patients with nodular thyroid goiter was examined.

PATIENTS AND METHODS:

Six-hundred-thirty-seven medical records, which included the thyroid fine-needle aspiration cytology were retrospectively evaluated. Patients were grouped regarding the levels of thyrotropin, anti-peroxidase and anti-thyroglobulin antibodies (in or out of the reference ranges) and compared with cytology findings for establishing their prognostic potential for malignancy.

RESULTS:

Elevated serum thyrotropin (≥ 4.5 mIU/L) was found in 27.3% of patients with thyroid malignancy compared with 10.8% with benign and 16.1% with unspecified cytology finding (p < 0.01). In the group of patients with malignant cytology findings 7.0% of them had elevated anti-peroxidase antibodies level, and 1.4% had anti-peroxidase antibodies level in reference range. In the group of patients with malignant cytology findings 4.2% of them had elevated anti-thyroglobulin antibodies level, and 1.4% had anti-thyroglobulin antibodies level in reference range.

CONCLUSIONS:

In patients with elevated serum thyrotropin concentration and/or chronic thyroiditis the occurrence of thyroid malignancy is increased.

PMID:
26241536
[Indexed for MEDLINE]
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