A case of CDC73 mutation–related primary hyperparathyroidism with ectopic parathyroid hyperplasia

This report describes a rare case of recurrent hyperparathyroidism due to ectopic parathyroid hyperplasia in a 35-year-old woman with a CDC73 c.271C > T mutation. This case highlights the importance of multimodal imaging, intraoperative monitoring, and genetic evaluation in the management of recurrent primary hyperparathyroidism.