K. Kenarlı, A. B. Bahçecioğlu, Ö. B. Aksu, S. Güllü
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引用次数: 0
Abstract
Background
The clinical, laboratory, and imaging characteristics of Hashimoto’s thyroiditis are widely recognized. However, there is a dearth of information concerning the relationship between these aspects. The primary objective of this study was to investigate the correlation between sonographic features and immunologic parameters in individuals with Hashimoto’s thyroiditis.
Methods
This cross-sectional study enrolled a cohort of 100 consecutive patients diagnosed with Hashimoto’s thyroiditis. Ultrasonography was performed to classify thyroid gland characteristics, including parenchymal heterogeneity (mild/moderate-to-high), extent of fibrosis (none-to-mild/moderate-to-high), and volume (atrophic/non-atrophic). As for immunologic parameters, thyroid autoantibodies (TOA; anti-TPO and anti-Tg), along with IG (immunoglobulin) G4 levels and lymphocyte subsets, were assessed.
Results
Of the 100 patients evaluated, 88 were female (88%) and 12 were male (12%). IgG4/IgG ratio and weekly levothyroxine (LT4) dose were significantly higher in the group with moderate-to-high heterogeneity than the group with mild parenchymal heterogeneity (p = 0.043 and p < 0.001, respectively). Compared to the group with none-to-mild fibrosis, the anti-TPO, IgG4, IgG4/IgG ratio and LT4 dose were significantly higher in the moderate-to-high fibrosis group. Anti-TPO and IgG levels were significantly lower in the atrophic thyroid group compared to the non-atrophic thyroid group. Although not reaching statistical significance, the proportion of plasma cells in the moderate/high fibrosis group was higher than in the non-fibrosis/mild fibrosis group. There was a moderate positive correlation between fibrosis with Anti-TPO, and a low positive correlation between anti-Tg, IgG4 levels with IgG4/IgG ratio.
Conclusion
TOA, Ig G4 levels and severity of hypothyroidism were associated with ultrasonographic features such as parenchymal heterogeneity and fibrosis in Hashimoto’s thyroiditis.
期刊介绍:
The Journal of Endocrinological Investigation is a well-established, e-only endocrine journal founded 36 years ago in 1978. It is the official journal of the Italian Society of Endocrinology (SIE), established in 1964. Other Italian societies in the endocrinology and metabolism field are affiliated to the journal: Italian Society of Andrology and Sexual Medicine, Italian Society of Obesity, Italian Society of Pediatric Endocrinology and Diabetology, Clinical Endocrinologists’ Association, Thyroid Association, Endocrine Surgical Units Association, Italian Society of Pharmacology.