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Preoperative Technetium-99m Imaging of a Substernal Parathyroid Adenoma

University of Chicago Pritzker School of Medicine, Chicago, Illinois

Correspondence: For reprints contact: Edwin L. Kaplan, MD, Professor of Surgery, University of Chicago Hospitals, Department of Surgery, Box 402, 950 East 59th St., Chicago, IL 60637.

ABSTRACT

Preoperative radionuclide imaging of parathyroid glands has been attempted using various nuclides with varying degrees of success. We present a case report of preoperative location of a mediastinal parathyroid adenoma with pertechnetate (Tc-99m) imaging. The literature on parathyroid imaging with technetium is reviewed. We conclude that pertechnetate may have been overlooked as a useful imaging agent for parathyroid adenomas, especially for tumors located away from the thyroid, and that further investigation is warranted.