Nonlocalization of abnormal glands preoperatively is not associated with a decreased surgical cure rate for primary hyperparathyroidism. Referral for surgical evaluation should be based on biochemical diagnosis rather than localization by imaging.
Intraoperative failure is associated with higher rates of multigland disease and smaller parathyroid glands. Patients with persistent disease had significantly lower decreases in IOPTH, but half of patients who experienced failure by IOPTH criteria were eucalcemic 6 months postoperatively. All patients undergoing reoperation experienced successful cure.
Half of patients presenting for surgical resection of pheochromocytoma were identified incidentally. These patients had equivalent rates of malignancy and pathologic traits associated with malignant potential and require definitive evaluation and early surgical referral.
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