Case presentation A 76-year-old female was presented with hypercalcemia and hypophosphatemia in routine investigations. She was being followed after undergoing bladder surgery. She complained of malaise and generalized bone pain.
On examination: 2 ร 2 cm nodule in left thyroid lobe Hypercalcemia (12 mg/dL) Hypophosphatemia (2.1 mg/dL) 25 OH vitamin D (20.8 ng/mL) High intact parathyroid hormone (512.6 pg/mL) Image: Ultrasonography of thyroid gland What is the most likely diagnosis for this patient? *This case is from the Editorial Team of Docplexus and is meant for educational purposes only The correct answer will be posted soon!