From: Real-time imaging of ipsilateral parathyroid glands by retrograde injection of methylene blue into the superior thyroid artery: a new intraoperative parathyroid protection method
Identification by the naked eye
ICGT-confirmed results
Total
Superior parathyroid gland
Not Superior parathyroid gland
Local blue staining
60
14
74
No local blue staining
12
10
22
72
24
96