Abstract
The purpose of this study was to evaluate our surgical experience in patients with primary hyperparathyroidism (PHPT) with nonlocalizing sestimibi and ultrasound scans. A retrospective review of 521 patients treated from April 2005 to July 2017 at Loma Linda University Medical Center who received parathyroidectomy for PHPT. One hundred forty-seven patients (28%) had double negative localization (nonlocalizing sestamibi and ultrasound). Surgical cure for PHPT was 97.3% and 99.2% with nonlocalized and localized disease, respectively, and complication rates were similar between groups. Preoperative parathyroid hormone and gland weight were significantly lower with nonlocalization. The incidence of multigland disease (MGD) was greater in patients with nonlocalization on sestamibi and ultrasound. Nonlocalization of parathyroid glands was not associated with decreased cure rate or increased morbidity. The presence of MGD and requirement for more extensive surgery were greater in patients with nonlocalizing disease.
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