Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery · 2000
Reduced-time-window sestamibi scanning for nonlocalized primary hyperparathyroidism.
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Kacker A, Scharf S, Komisar A
Аннотация
BACKGROUND: Technetium Tc 99m sestamibi scan is the standard of care for localizing parathyroid adenomas.
METHODS AND MATERIAL: We performed a retrospective, single-institution study of 111 consecutive patients with primary hyperparathyroidism who underwent standard sestamibi scan for localization of a parathyroid lesion. A revised protocol of reduced-time-window sestamibi scan was used in nonlocalized patients. The protocol was composed of single-view scans at 15, 30, 45, and 120 minutes and tomograms at 60 minutes.
RESULTS: Thirty-five patients underwent surgery at our institution. Thirty-one had adenomas, and 4 had hyperplasia. Three of 31 patients did not show localization on the standard scan and underwent reduced-time-window scans, which localized 2 more adenomas. These were confirmed at the time of surgery.
CONCLUSION: We suggest that all patients with a high degree of suspicion for a parathyroid adenoma, which is not visualized by a standard scan, undergo a reduced-time-window scan.
METHODS AND MATERIAL: We performed a retrospective, single-institution study of 111 consecutive patients with primary hyperparathyroidism who underwent standard sestamibi scan for localization of a parathyroid lesion. A revised protocol of reduced-time-window sestamibi scan was used in nonlocalized patients. The protocol was composed of single-view scans at 15, 30, 45, and 120 minutes and tomograms at 60 minutes.
RESULTS: Thirty-five patients underwent surgery at our institution. Thirty-one had adenomas, and 4 had hyperplasia. Three of 31 patients did not show localization on the standard scan and underwent reduced-time-window scans, which localized 2 more adenomas. These were confirmed at the time of surgery.
CONCLUSION: We suggest that all patients with a high degree of suspicion for a parathyroid adenoma, which is not visualized by a standard scan, undergo a reduced-time-window scan.