Load local Dicom files

Hello,  i have a problem to load local multiframes Dicom files who not finish with .dcm like this
 'MR.1.2.840.113619.2.80.1641507309.20875.1646768043.17.D0002983800008000016' 

    const promises = imageids.map(imageId => {
      return cornerstone.loadAndCacheImage(imageId);
    });
i have tried put '.dcm' but the promises keep give me a error