Endocrine Abstracts

Introduction: Activating mutations in thyrotropin receptor (TSHR) have been previously described in the context of non-autoimmune hyperthyroidism (familial or sporadic) and thyroid adenomas. We describe, for the first time, a mutation in TSHR contributing to follicular thyroid carcinoma (FTC) in an adolescent girl.Case: A 12-year-old girl presented with a right-sided neck swelling, increasing in size over the previous four weeks. Clinic...