In vitro data demonstrated SSTR expression by MTC cells in more than 75% of cases (SSTR2 91.6%, SSTR5 75%, SSTR3 41.6%, and SSTR1 33.3%),72 later confirmed by in vivo analysis using SSTR‐based imaging.73 This evidence concerns the gene SSTR3 and medullary thyroid gland carcinoma.