Recurrent secondary hyperparathyroidism after parathyroidectomy due to anterior mediastinum ectopic parathyroid glands in a peritoneal dialysis patient—a case report and literature review

Accurate evaluation of the position and function of the parathyroid gland before PTX is the key to reducing the rates of missed diagnosis and SHPT recurrence. Integrated management based on mineral metabolism assessment is crucial for preventing and treating hungry bone syndrome after ectopic PTX in clinical practice.