Context: Primary Hyperparathyroidism (PHPT) has a prevalence of 0.86% and is associated with increased risk of nephrolithiasis and osteoporosis. PHPT may also be associated with an increased risk of
AIM: To study the risk of renal stone episodes and risk factors for renal stones in primary hyperparathyroidism before and after surgery. DESIGN: Register based, controlled retrospective follow up stu