Ivan Kruljac, Ivana Pavic, Neven Matesa, Gorana Mirosevic, Andreja Maric, Branko Becejac, Mirko Ivkic, Dijana Zadravec, Krizo Katinic, Milan Vrkljan
Intrathyroidal parathyroid carcinoma is extremely rare clinical entity with potentially multiple diagnostic pitfalls. We report a case of 40-year-old man presented with classical manifestations of primary hyperparathyroidism, severe hypercalcemia and profoundly increased serum parathyroid hormone level. Neck ultrasonography demonstrated multinodular goiter with predominant 34 mm nodule in left thyroid lobe. Additional 16 mm nodule was found beneath the left lobe. Routine percutaneous fine-needle aspiration of predominant nodule indicated follicular thyroid carcinoma, while left inferior nodule was confirmed to be of parathyroid origin...
September 2011: Japanese Journal of Clinical Oncology