Subsequently, the ROC curves between GCTs (n = 13) and benign tumors (n = 132) showed that the AUCs of serum FSH and estradiol levels were 0.981 (95% CI = 0.963–0.998) and 0.782 (95% CI = 0.682–0.876), respectively. Here, BRD2 is linked to benign neoplasm.