Endocrine Abstracts

Thyroid ectopia is a frequent and severe form of congenital hypothyroidism and results from failure of the process of embryonic development and migration of the thyroid gland from the pharyngeal pouch to the anterior neck with the isthmus sited at the level of the cricoid cartilage. With improved technetium scanning techniques, cases of dual foci thyroid tissue are increasingly recognised. The incidence and clinical characteristics of this group of patients has not been establ...