Endocrine Abstracts

Background: Medullary thyroid carcinoma (MTC) is a rare thyroid tumor (around 2% of thyroid cancers). Its prognosis is generally worse than for differentiated thyroid cancers. A very rare subset of MTC is described as encapsulated MTCs. To date, a limited number of case reports and case series have been published, and this type of tumor presents with no evidence of metastases even in case of very high levels of serum calcitonin.Case: A 33-year old pregna...