Theranostics methods in Nuclear Medicine for the diagnosis and treatment of different cancer types have been developing rapidly, for example 124I/131I for thyroid cancer [12], 68Ga-DOTATATE/177Lu-DOTATATE for neuroendocrine tumor patients [13] and recently the 68Ga-PSMA/177Lu-PSMA for the treatment of PC [7, 14]. The gene discussed is FOLH1; the disease is thyroid cancer.