Diagnostic challenges in a patient with an occult insulinoma:<sup>68 </sup>Ga‐<scp>DOTA</scp>‐exendin‐4 <scp>PET</scp>/<scp>CT</scp> and <sup>68</sup>Ga‐<scp>DOTATATE PET</scp>/<scp>CT</scp>
Clinical case reports