Hypoparathyroidism: an unusual cause of seizures.

A 73-year-old woman with hypoparathyroidism and hypocalcemic seizures was treated successfully with intravenous calcium. These symptoms developed 19 years after thyroid surgery. Prior to this admission, there had been many opportunities to make the diagnosis, had it been considered. Chronic hypocalcemia and hypoparathyroidism may present with varying signs and symptoms.