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Interrelationship between thyroid nodularity and TSH level.
Isaac Sachmechi1, Marjan Vahedi, Shireesha Nalamasu
1Division of Endocrinology, Department of Medicine, Mount Sinai Services, Queens Hospital Center, 82-68 164 th Street, Jamaica, NY 11432, USA. sachmeci@nychhc.org
The Mount Sinai Journal of Medicine, New York
|February 1, 2005
Summary
Thyroid-stimulating hormone (TSH) levels in euthyroid patients with multinodular goiter showed no significant difference compared to healthy controls. This suggests TSH may not play a major role in multinodular goiter development.
Area of Science:
- Endocrinology
- Thyroidology
Background:
- The role of thyroid-stimulating hormone (TSH) in goiter development remains debated.
- This study investigates the association between thyroid nodularity and serum TSH in euthyroid patients with non-endemic multinodular goiter.
Purpose of the Study:
- To determine if TSH levels differ between euthyroid patients with multinodular goiter and healthy individuals.
- To explore the relationship between thyroid nodularity and TSH in this patient group.
Main Methods:
- A cohort of 19 euthyroid patients with multinodular goiter (group 1) was compared to 19 age- and sex-matched controls without thyroid disease (group 2).
- Patients with suppressed TSH or positive antithyroid antibodies were excluded.
- TSH levels were retrospectively analyzed from medical records.
Main Results:
- Mean TSH in group 1 was 1.45 +/- 0.29 IU/mL (range: 0.68-3.68 IU/mL).
- Mean TSH in group 2 was 1.08 +/- 0.1 IU/mL (range: 0.38-1.88 IU/mL).
- The difference in TSH levels between the two groups was not statistically significant (p=0.22).
Conclusions:
- Serum TSH levels in euthyroid patients with multinodular goiter are comparable to those in normal individuals.
- These findings suggest TSH may not be a primary driver in the pathogenesis of multinodular goiter.