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Endocrine. 2019 Apr 19. doi: 10.1007/s12020-019-01935-8. [Epub ahead of print]

Is there a correlation between thyroiditis and thyroid cancer?

Author information

1
General Surgery Unit, University Hospital of Parma, Parma, Italy. paolo.delrio@unipr.it.
2
General Surgery Unit, University Hospital of Parma, Parma, Italy.
3
Endocrinology Unit, Local Health Authority of Parma, Parma, Italy.
4
Endocrinology Unit, University Hospital of Parma, Parma, Italy.
5
Department of Clinical and Experimental Medicine, University Hospital of Parma, Parma, Italy.

Abstract

BACKGROUND:

In the past few decades, the incidence of thyroid cancer has increased significantly all over the world. In the same period, there also seems to have been an increase in the incidence of Hashimoto's Thyroiditis-the most common inflammatory autoimmune thyroid disease. Several studies have linked thyroiditis to thyroid cancer.

METHODS:

In our study, we examined 2304 cases of thyroid surgery collected over a 12-year period starting from 2004. In 2090 cases (90.7%) out of our sample, it has been possible to compare the presence, or lack thereof, of thyroiditis by means of a histological diagnosis post-surgery; 214 (9.3%) cases were excluded from our study due to insufficient data. We then divided the different histological classifications into two groups. Group A included all the benign histological classifications and Group B included all the malignant histological classifications. In each group, we then assessed the presence, or lack thereof, of thyroiditis in order to evaluate if thyroiditis can be linked to a higher incidence of thyroid cancer.

RESULTS:

Data analysis showed a higher incidence of thyroiditis in Group B, 36.4% (malignant pathology report), than in Group A, 32.4% (benign pathology report), but no statistically significant difference emerged between those two groups (Pā€‰>ā€‰0.05).

CONCLUSIONS:

Our conclusion was that a correlation between thyroiditis and a higher incidence of thyroid cancer is still undefined.

KEYWORDS:

Papillary cancer; Thyroid cancer; Thyroidectomy; Thyroiditis

PMID:
31004335
DOI:
10.1007/s12020-019-01935-8

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