Wd. Leslie et al., TECHNETIUM-99M-PERTECHNETATE UPTAKE BY INTRATHYROIDAL PARATHYROID ADENOMA, The Journal of nuclear medicine, 37(5), 1996, pp. 861-862
A 57-yr-old woman was referred for preoperative scintigraphic localiza
tion of a parathyroid adenoma, Double-phase Tc-99m-sestamibi imaging w
as performed followed by a separate-day [Tc-99m]pertechnetate thyroid
scan, There was marked accumulation of both tracers by a right lower p
ole ''thyroid'' nodule which, at surgery, proved to be an intrathyroid
al parathyroid adenoma, Hypervascularity is the presumed explanation f
or rare cases of pertechnetate-avid parathyroid adenomas.