Endocrine Abstracts

A 15-year-old boy presented with a spiral fracture of left tibia and fibula in 1980. Adjusted serum calcium was 3.38 mmol/l. He had biochemical primary hyperparathyroidism and a superior parathyroid adenoma was removed. His calcium normalised and he was well for next 13 years until 1993 when his calcium began to rise with multiple palpable cervical lymph nodes. He underwent extensive neck dissection. Lymph node histology showed metastases from poorly differentiated parathyroid...