TOPIC: TSH reference range increases with aging Title: Extreme longevity is associated with increased serum thyrotropin. Authors: Atzmon G, Barzilai N, Hollowell JG, Surks MI, & Gabriely I. Reference: Journal of Clinical Endocrinology & Metabolism 94: 1251-1254, 2009 Summary Context The TSH reference range, specifically the setting of the upper reference limit, is currently controversial. […]

TOPIC: S onographic appearance of cystic thyroid nodules Title: Partially cystic thyroid nodules on ultrasound: probability of malignancy and sonographic differentiation. Authors: Lee M-J, Kim E-K, Kwak JY, & Kim MJ. Reference: Thyroid 19: 341-346, 2009 Summary Background Thyroid nodules are very common and a large portion of them are mixed echoic, with both solid […]