Snapshot A 25-year-old obese woman presents to the urgent care center for twitching of her face for the past day. She reports that she has never had such prolonged symptoms before. On physical exam, there is contraction of her facial muscles with percussion to her cheeks bilaterally. Laboratory results show high parathyroid hormone levels, hypocalcemia, and hyperphosphatemia. Introduction Clinical definition login to view 5 more bullets Genetics login to view 5 more bullets Associated conditions login to view 4 more bullets ETIOLOGY Pathogenesis login to view 9 more bullets Presentation Symptoms login to view 14 more bullets imaging Hand radiograph login to view 2 more bullets Studies Diagnostic testing login to view 9 more bullets Differential Rickets login to view 3 more bullets Pseudopseudohypoparathyroidism login to view 3 more bullets DIAGNOSIS Diagnostic criteria login to view 1 more bullet Treatment Management approach login to view 1 more bullet First-line login to view 9 more bullets Complications Chronically elevated PTH can cause increased bone remodeling