Systematic ReviewPublished 3 June 2026Diagnostic utility of FAPI PET/CT in radioiodine-refractory thyroid cancer and TENIS syndrome: a systematic reviewAkram Al-Ibraheem · Saad Ruzzeh · Ahmad Al-Muhtaseb · Ahmed Saad Abdlkadir · Serin Moghrabi · Hongcheng Shi · Habibollah Dadgar · Mahed Al-Foqahaa · Marwah Abdulrahman · Soud Al-Qasem · Issa Mohamad · Gerasimos P. SykiotisOncology Reviewsdoi 10.3389/or.2026.1811291