Table 1:

MGD scoresa

CriterionScoring
No. of candidate lesions identified on 4D-CTSingle lesion: 0
Multiple lesions: 2
No lesions: 2
Maximum diameter of largest lesion on 4D-CT>13 mm: 0
7–13 mm: 1
<7 mm or no lesion identified: 2
WIN>1600: 0
800–1600: 1
<800: 2
  • Note:—WIN indicates serum calcium level (milligram/deciliter) × serum parathyroid hormone level (picogram/milliliter).

  • a The composite MGD score includes all 3 components in the Table and ranges from 0 to 6. The 4D-CT MGD score does not include the Wisconsin Index and ranges from 0 to 4.