Primary hyperparatyroidism (PHPT) is a common endocrine disease and represents the most common cause of hypercalcemia. Thanks to modern diagnostic and laboratory approaches that allow us to diagnose and treat asympto-matic and mild forms of PHPT, the number of patients with clinically symptomatic PHPT decreases.
The case report deals with the case of a 30 year old woman who underwent medical examination due to renal colic. Nephrolithiasis and multiple osteolytic lesions in the pelvic area were found on CT.
A differential diagnostic examination was initiated considering a hematological malignancy that was excluded. After calcium-phosphate metabolism examination clinically symptomatic PHPT diagnosis was set.