PLOD1 and hyperprolactinemia: After excluding from the UNIFI cohort 11 men with overt hyperprolactinemia, the sensitivity and specificity for pathologic MRI detection were, respectively, 28.6% and 94.8% for total T ≤ 5.2 nmol/L, 45.7% and 83.1% for total T ≤ 6.1 nmol/L, and 57.6% and 66.2% for LH ≤ 1.9 U/L.