Genetic Defects in Thyroid Hormone Synthesis and Action

Thyroid hemiagenesis is a rare congenital abnormality, in which one thyroid lobe fails to develop. Thyroid hemiagenesis is often associated with mild and or transient hypothyroidism but several patients were found to be in the euthyroid state (both serum TSH and thyroid hormone levels are within the normal range). ................
................