Endocrine Abstracts

Background: The optimal initial surgical extent for medullary thyroid carcinoma (MTC) remains controversial. Aim of this study was to evaluate the ability of serum calcitonin and carcinoembryonic antigen(CEA) to predict the extent of surgery needed in the lateral neck in patients with MTC.Methods: This retrospective multicenter cohort study included data from patients with MTC surgically treated in the 6 tertiary medical centers in Korea from 1996 to 202...

Background: Unlike excellent prognosis of classical papillary thyroid carcinoma (cPTC), certain pathological subtypes of aggressive variants of PTC (AV-PTC) are considered to have poor clinical outcome. However, the evidence of unfavorable outcome of AV-PTC is not clear because previous studies did not control other confounding factors contributed to clinical outcomes.Methods: This retrospective cohort study initially included 4339 patients with cPTC and...