AUTHOR=Kim Ekaterina , Lavreniuk Anastasiia , Spasskaya Olga , Eremkina Anna , Salimkhanov Rustam , Urusova Liliya , Tarbaeva Natalia , Popov Sergey , Zakharova Victoria , Mokrysheva Natalia TITLE=Case report: Relapse of intrathyroidal parathyroid carcinoma in a patient with novel variants in MET and CDKN1C genes JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1441083 DOI=10.3389/fonc.2024.1441083 ISSN=2234-943X