ea0073aep703 | Thyroid | ECE2021
Cristina Elías Ortega
, Venegas Nebreda Inmaculada
, Maria Teresa Aramburu Calafell
, Nerea Egaña Zunzunegui
, Bilbao Garay Ismene
, Garcia Delgado Cristina
, Aguirre Echevarria Pablo
, Rojo Alvaro Jorge
, Yoldi Arrieta Alfredo
, Miguel Maria Goena Iglesias
IntroductionThe term collision tumor refers to the coexistence of two histologically distinct malignant neoplasms. The two malignancies can originate from the same organ or occur as metastases from other regions. This type of tumors involving the thyroid gland are especially rare. Reported cases are usually involving papillary thyroid carcinomas in coexistence with other types of tumors like medullary carcinoma, follicular carcinoma or metastasic disease...