Endocrine Abstracts

Introduction: Familial hypocalciuric hypercalcemia (FHH) is a benign condition characterized by asymptomatic hypercalcemia secondary to hypocalciuria. Affected patients have variable parathyroid hormone levels. It is caused by a loss-of-function mutation in the calcium-sensing receptor (CASR) gene. The occurrence of both FHH and primary hyperparathyroidism (PHPT) in the same patient has rarely been described. We report an interesting case.Case: ...