COVID-19 vaccines were not associated with increased risk for thyroid diseases but were associated with increased risk for exacerbated hypothyroidism.

Congenital pyriform sinus fistula is an unusual developmental abnormality, but it is the most common cause of acute suppurative thyroiditis or recurrent lateral neck infection in pediatric group.

Thyroid diseases are characterized by hyperfunction (hyperthyroidism), hypofunction (hypothyoidism) or inflammation (thyroiditis) of the thyroid gland or the presence of thyroid nodules ...