Endocrine Abstracts

Introduction: Primary hyperparathyroidism (PHPT) is the most common cause of hypercalcemia, most cases with parathyroid adenoma as the underlying pathology. However, when blood and urine calcium levels and PTH are higher than normal in PHPT, t’s important to suspect an ectopic PTH secretion or a parathyroid carcinoma. Intrathyroidal parathyroid cysts are extremely rare cause of severe PHPT.Clinical case: A 36-year-old male presented with dizziness ...