Most sensitive investigation for preoperative localization of abnormal parathyroid glands is
Neck ultrasound locates glands in approximately 75% of cases. (99mTc) labelled Sestamibi isotope scans identify approximately 80% of abnormal parathyroid glands.CT & MRI is not indicated prior to first-time neck exploration.
Neck ultrasound
(99mTc) labelled Sestamibi isotope scan
CT scan
MRI
All India exam