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- W2044464491 abstract "Background. Until now, preoperative parathyroid imaging has been considered unnecessary because currently available techniques do not provide any better results than an expert surgeon. We conducted a multicenter prospective study evaluating the capability of technetium 99m sestamibi scintigraphy in the preoperative identification of pathologic glands. Methods. Ninety-three patients with hyperparathyroidism, seven of them reoperative cases, were studied. In addition, 20 age-matched normocalcemic control subjects were also studied. Results. Surgical confirmation of scintigraphic images was obtained in 91 of 93 cases (sensitivity, 97.8%). In all reoperative cases (n = 7), in all cases of ectopic glands (whether operated or not; n = 6), and in all patients with a single-gland disease (n = 70), topographic identification of the pathologic gland was correct in 100%. In multiple-gland disease (n = 23), involvement of more than one gland was visualized in only 61% of the patients; however, in 91% of patients, at least one gland was localized. Surgical success—defined as postoperative normocalcemia—with this approach was 100%. All scans of normocalcemic control subjects were negative. Of 31 patients in whom a multinodular goiter coexisted, seven presented a significant radionuclide background at 120 minutes' scan. False-positive images were found together with those corresponding to the pathologic glands in only three cases. Conclusions. 99mTc-sestamibi is a highly reliable, sensitive, and specific technique for imaging of pathologic glands in hyperparathyroidism, especially in single-gland disease. It may be considered as a first line single-procedure when a preoperative topographic diagnosis is required." @default.
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- W2044464491 date "1997-05-01" @default.
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- W2044464491 title "Efficacy of preoperative diagnostic imaging localization of technetium 99m-sestamibi scintigraphy in hyperparathyroidism" @default.
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- W2044464491 doi "https://doi.org/10.1016/s0039-6060(97)90108-2" @default.
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