Endocrine Abstracts

Newborn screening of premature infants for congenital hypothyroidism (CH) may initially be normal despite the presence of thyroid pathology and therefore repeat TSH screening is required. The 2012 revised UK Newborn Screening guidelines for premature infants state that infants born <32 weeks gestation require a repeat TSH bloodspot at 28 days postnatal age or discharge home, whichever is earlier. Prior to this, repeat testing was required at 36 weeks corrected gestation fo...

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...