Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Junik, R. et al.

Thyroid Ultrasound in Diabetic Patients without Overt Thyroid Disease.

Purpose: To assess thyroid volume and to evaluate possible lesions in the gland structure using thyroid ultrasound in patients with diabetes mellitus type 1 (DM1) and 2 ( DM2) without overt thyroid disease.Material and Methods: Consecutive adult patients with DM2 (n = 98) and DM1 (n = 30) without overt thyroid disease referred to our department because of poorly controlled disease and/or diabetic complications were prospectively analyzed. Thyroid volumes, gland echogenicity, thyroid nodules incidence, and TSH levels were compared with control groups (n = 50 and 38) and matched according to sex and age.Results: Significant increases in median thyroid volume were observed in both subjects with DM1 (17.3 cm3, interquartile range (IR) 13.9-21.6 cm3 versus 14.4 cm3, IR 11.3-18.3 cm3; P<0.05) and DM2 (20.5 cm3, IR 14.9-27.1 cm3 versus 14.1 cm3, IR 11.3-18.3 cm3; P<0.001) in comparison to their control groups. Moreover, in the population of type 2 diabetics, thyroid nodules (OR 2.37, 95% CI 1.14-4.93), parenchymatous goiter (OR 5.40, 95% CI 1.20-24.30), and all kinds of thyroid goiter according to the WHO definition (OR 4.18, 95% CI 2.02-8.66) were remarkably more frequent. In our patients, reduced (but within normal range) TSH level occurred in DM1 (median 0.97 mIU/l, IR 0.61-1.58 mIU/l versus median 1.66 mIU/l, IR 0.76-2.09 mIU/l; P<0.05). The presence of a negative linear correlation between thyroid volume and TSH concentration was noticed in patients with DM2 (RS = -0.38, P<0.01).Conclusion: In individuals with DM1 and DM2 treated for poorly controlled disease and/or diabetic complications, thyroid volumes were significantly higher than in the normal population. Moreover, nodular thyroid structure and parenchymatous goiter occurred more frequently in these type 2 diabetic patients.[1]

References

Thyroid Ultrasound in Diabetic Patients without Overt Thyroid Disease. Junik, R., Kozinski, M., Debska-Kozinska, K. Acta radiologica (Stockholm, Sweden : 1987) (2006) [Pubmed]

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