RT Journal Article SR Electronic T1 Use of thallium-technetium parathyroid scans JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 179 OP 183 VO 54 IS 3 A1 Broughan, Thomas A. A1 O’Donnell, James K. A1 Kropilak, Michael D. A1 Esselstyn, Caldwell B. YR 1987 UL http://www.ccjm.org/content/54/3/179.abstract AB Localization of parathyroid pathology prior to reoperative neck exploration for hyperparathyroidism decreases operating time and potential morbidity. A color-graded nuclear scan using computer subtraction of technetium 99m from thallium-201 images is an accurate means of locating the parathyroid tissue in patients who have previously had one or more neck explorations.