Association of systemic and thyroid autoimmune diseases

Edit Biró, Z. Szekanecz, László Czirj́k, K. Dankó, E. Kiss, Nóra Anna Szabó, G. Szűcs, M. Zeher, E. Bodolay, G. Szegedi, Gyula Bakó

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Abstract

Objective: There are few large cohort studies available on the association of systemic and thyroid autoimmune diseases. In this study, we wished to determine the association of Hashimoto's thyroiditis (HT) and Graves' disease (GD) with systemic autoimmune diseases. Methods: One thousand five hundred and seventeen patients with systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), systemic sclerosis (SSc), mixed connective tissue disease (MCTD), Sjögren's syndrome (SS) and polymyositis/dermatomyositis (PM/DM) were included in the study. The HT and GD were diagnosed based on thorough clinical evaluation, imaging and fine-needle aspiration cytology (FNAC). The frequency of HT and GD in these diseases was assessed. In addition, 426 patients with HT or GD were assessed and the incidence of SLE, RA, SSc, MCTD, SS and PM/DM among these patients was determined. Prevalence ratios indicating the prevalences of GD or HT among our autoimmune patients in comparison to prevalences of GD or HT in the general population were calculated. Results: Altogether 8.2% of systemic autoimmune patients had either HT or GD. MCTD and SS most frequently overlapped with autoimmune thyroid diseases (24 and 10%, respectively). HT was more common among MCTD, SS and RA patients (21, 7 and 6%, respectively) than GD (2.5, 3 and 1.6%, respectively). The prevalences of HT in SLE, RA, SSc, MCTD, SS and PM/DM were 90-, 160-, 220-, 556-, 176- and 69-fold higher than in the general population, respectively. The prevalences of GD in the same systemic diseases were 68-, 50-, 102-, 76-, 74- and 37-fold higher than in the general population, respectively. Among all thyroid patients, 30% had associated systemic disease. In particular, 51% of HT and only 16% of GD subjects had any of the systemic disorders. MCTD, SS, SLE, RA, SSc and PM/DM were all more common among HT patients (20, 17, 7, 4, 2 and 2%, respectively) than in GD individuals (2, 5, 5, 1, 2 and 1%, respectively). Conclusion: Systemic and thyroid autoimmune diseases often overlap with each other. HT and GD may be most common among MCTD, SSc and SS patients. On the other hand, these systemic diseases are often present in HT subjects. Therefore it is clinically important to screen patients with systemic autoimmune diseases for the co-existence of thyroid disorders.

Original languageEnglish
Pages (from-to)240-245
Number of pages6
JournalClinical Rheumatology
Volume25
Issue number2
DOIs
Publication statusPublished - Mar 2006

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Hashimoto Disease
Thyroid Diseases
Graves Disease
Autoimmune Diseases
Mixed Connective Tissue Disease
Systemic Scleroderma
Dermatomyositis
Rheumatoid Arthritis
Systemic Lupus Erythematosus
Thyroid Gland
Population
Fine Needle Biopsy
Cell Biology

Keywords

  • Autoimmune disease
  • Graves' disease
  • Hashimoto's thyroiditis
  • Overlap syndrome
  • Systemic autoimmune diseases

ASJC Scopus subject areas

  • Rheumatology
  • Immunology

Cite this

Association of systemic and thyroid autoimmune diseases. / Biró, Edit; Szekanecz, Z.; Czirj́k, László; Dankó, K.; Kiss, E.; Szabó, Nóra Anna; Szűcs, G.; Zeher, M.; Bodolay, E.; Szegedi, G.; Bakó, Gyula.

In: Clinical Rheumatology, Vol. 25, No. 2, 03.2006, p. 240-245.

Research output: Contribution to journalArticle

Biró, Edit ; Szekanecz, Z. ; Czirj́k, László ; Dankó, K. ; Kiss, E. ; Szabó, Nóra Anna ; Szűcs, G. ; Zeher, M. ; Bodolay, E. ; Szegedi, G. ; Bakó, Gyula. / Association of systemic and thyroid autoimmune diseases. In: Clinical Rheumatology. 2006 ; Vol. 25, No. 2. pp. 240-245.
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abstract = "Objective: There are few large cohort studies available on the association of systemic and thyroid autoimmune diseases. In this study, we wished to determine the association of Hashimoto's thyroiditis (HT) and Graves' disease (GD) with systemic autoimmune diseases. Methods: One thousand five hundred and seventeen patients with systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), systemic sclerosis (SSc), mixed connective tissue disease (MCTD), Sj{\"o}gren's syndrome (SS) and polymyositis/dermatomyositis (PM/DM) were included in the study. The HT and GD were diagnosed based on thorough clinical evaluation, imaging and fine-needle aspiration cytology (FNAC). The frequency of HT and GD in these diseases was assessed. In addition, 426 patients with HT or GD were assessed and the incidence of SLE, RA, SSc, MCTD, SS and PM/DM among these patients was determined. Prevalence ratios indicating the prevalences of GD or HT among our autoimmune patients in comparison to prevalences of GD or HT in the general population were calculated. Results: Altogether 8.2{\%} of systemic autoimmune patients had either HT or GD. MCTD and SS most frequently overlapped with autoimmune thyroid diseases (24 and 10{\%}, respectively). HT was more common among MCTD, SS and RA patients (21, 7 and 6{\%}, respectively) than GD (2.5, 3 and 1.6{\%}, respectively). The prevalences of HT in SLE, RA, SSc, MCTD, SS and PM/DM were 90-, 160-, 220-, 556-, 176- and 69-fold higher than in the general population, respectively. The prevalences of GD in the same systemic diseases were 68-, 50-, 102-, 76-, 74- and 37-fold higher than in the general population, respectively. Among all thyroid patients, 30{\%} had associated systemic disease. In particular, 51{\%} of HT and only 16{\%} of GD subjects had any of the systemic disorders. MCTD, SS, SLE, RA, SSc and PM/DM were all more common among HT patients (20, 17, 7, 4, 2 and 2{\%}, respectively) than in GD individuals (2, 5, 5, 1, 2 and 1{\%}, respectively). Conclusion: Systemic and thyroid autoimmune diseases often overlap with each other. HT and GD may be most common among MCTD, SSc and SS patients. On the other hand, these systemic diseases are often present in HT subjects. Therefore it is clinically important to screen patients with systemic autoimmune diseases for the co-existence of thyroid disorders.",
keywords = "Autoimmune disease, Graves' disease, Hashimoto's thyroiditis, Overlap syndrome, Systemic autoimmune diseases",
author = "Edit Bir{\'o} and Z. Szekanecz and L{\'a}szl{\'o} Czirj́k and K. Dank{\'o} and E. Kiss and Szab{\'o}, {N{\'o}ra Anna} and G. Szűcs and M. Zeher and E. Bodolay and G. Szegedi and Gyula Bak{\'o}",
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T1 - Association of systemic and thyroid autoimmune diseases

AU - Biró, Edit

AU - Szekanecz, Z.

AU - Czirj́k, László

AU - Dankó, K.

AU - Kiss, E.

AU - Szabó, Nóra Anna

AU - Szűcs, G.

AU - Zeher, M.

AU - Bodolay, E.

AU - Szegedi, G.

AU - Bakó, Gyula

PY - 2006/3

Y1 - 2006/3

N2 - Objective: There are few large cohort studies available on the association of systemic and thyroid autoimmune diseases. In this study, we wished to determine the association of Hashimoto's thyroiditis (HT) and Graves' disease (GD) with systemic autoimmune diseases. Methods: One thousand five hundred and seventeen patients with systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), systemic sclerosis (SSc), mixed connective tissue disease (MCTD), Sjögren's syndrome (SS) and polymyositis/dermatomyositis (PM/DM) were included in the study. The HT and GD were diagnosed based on thorough clinical evaluation, imaging and fine-needle aspiration cytology (FNAC). The frequency of HT and GD in these diseases was assessed. In addition, 426 patients with HT or GD were assessed and the incidence of SLE, RA, SSc, MCTD, SS and PM/DM among these patients was determined. Prevalence ratios indicating the prevalences of GD or HT among our autoimmune patients in comparison to prevalences of GD or HT in the general population were calculated. Results: Altogether 8.2% of systemic autoimmune patients had either HT or GD. MCTD and SS most frequently overlapped with autoimmune thyroid diseases (24 and 10%, respectively). HT was more common among MCTD, SS and RA patients (21, 7 and 6%, respectively) than GD (2.5, 3 and 1.6%, respectively). The prevalences of HT in SLE, RA, SSc, MCTD, SS and PM/DM were 90-, 160-, 220-, 556-, 176- and 69-fold higher than in the general population, respectively. The prevalences of GD in the same systemic diseases were 68-, 50-, 102-, 76-, 74- and 37-fold higher than in the general population, respectively. Among all thyroid patients, 30% had associated systemic disease. In particular, 51% of HT and only 16% of GD subjects had any of the systemic disorders. MCTD, SS, SLE, RA, SSc and PM/DM were all more common among HT patients (20, 17, 7, 4, 2 and 2%, respectively) than in GD individuals (2, 5, 5, 1, 2 and 1%, respectively). Conclusion: Systemic and thyroid autoimmune diseases often overlap with each other. HT and GD may be most common among MCTD, SSc and SS patients. On the other hand, these systemic diseases are often present in HT subjects. Therefore it is clinically important to screen patients with systemic autoimmune diseases for the co-existence of thyroid disorders.

AB - Objective: There are few large cohort studies available on the association of systemic and thyroid autoimmune diseases. In this study, we wished to determine the association of Hashimoto's thyroiditis (HT) and Graves' disease (GD) with systemic autoimmune diseases. Methods: One thousand five hundred and seventeen patients with systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), systemic sclerosis (SSc), mixed connective tissue disease (MCTD), Sjögren's syndrome (SS) and polymyositis/dermatomyositis (PM/DM) were included in the study. The HT and GD were diagnosed based on thorough clinical evaluation, imaging and fine-needle aspiration cytology (FNAC). The frequency of HT and GD in these diseases was assessed. In addition, 426 patients with HT or GD were assessed and the incidence of SLE, RA, SSc, MCTD, SS and PM/DM among these patients was determined. Prevalence ratios indicating the prevalences of GD or HT among our autoimmune patients in comparison to prevalences of GD or HT in the general population were calculated. Results: Altogether 8.2% of systemic autoimmune patients had either HT or GD. MCTD and SS most frequently overlapped with autoimmune thyroid diseases (24 and 10%, respectively). HT was more common among MCTD, SS and RA patients (21, 7 and 6%, respectively) than GD (2.5, 3 and 1.6%, respectively). The prevalences of HT in SLE, RA, SSc, MCTD, SS and PM/DM were 90-, 160-, 220-, 556-, 176- and 69-fold higher than in the general population, respectively. The prevalences of GD in the same systemic diseases were 68-, 50-, 102-, 76-, 74- and 37-fold higher than in the general population, respectively. Among all thyroid patients, 30% had associated systemic disease. In particular, 51% of HT and only 16% of GD subjects had any of the systemic disorders. MCTD, SS, SLE, RA, SSc and PM/DM were all more common among HT patients (20, 17, 7, 4, 2 and 2%, respectively) than in GD individuals (2, 5, 5, 1, 2 and 1%, respectively). Conclusion: Systemic and thyroid autoimmune diseases often overlap with each other. HT and GD may be most common among MCTD, SSc and SS patients. On the other hand, these systemic diseases are often present in HT subjects. Therefore it is clinically important to screen patients with systemic autoimmune diseases for the co-existence of thyroid disorders.

KW - Autoimmune disease

KW - Graves' disease

KW - Hashimoto's thyroiditis

KW - Overlap syndrome

KW - Systemic autoimmune diseases

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