Endocrine Abstracts

Case history: An 80-year-old woman, with a background of primary hyperparathyroidism (PHPT), presented to the emergency department with a spontaneous pathological fracture of her left femoral shaft. Blood tests revealed severe hypercalcaemia (corrected calcium 3.26 mmol/l, 2.1 – 2.55) after being lost to follow up for twenty years. She was vitamin D replete after supplementation, had normal renal functions (creatinine 76 umol/L, 50-98), and high parathyroid hormone (PTH 1...