Prevention of motion artifacts on dual isotope subtraction parathyroid scintigraphy

A simple, effective technique is described to identify and eliminate motion artifacts which might potentially invalidate dual isotope subtraction parathyroid scintigraphy. Cobalt-57 markers, appropriately placed on the patient, allow detection of movement and permit realignment if movement occurs between imaging sequences. This technique should assure the accuracy of dual isotope parathyroid subtraction scintigraphy.