An intrathyroidal nodule consisting of papillary thyroid cancer and ectopic hyperechoic parathyroid adenoma: a case report. - Guneyli S; Kabaalioglu A; Altinmakas E; Cil BE; Taskin OC; Ozisik S; Samadli V; Dogan H; Agcaoglu O (Medical ultrasonography, 2022)