Twenty-five patients (group A) had 3 parathyroid glands removed and autotransplanted, and 25 patients (group B) had 0 to 2 parathyroid glands removed and autotrans-planted.

• 组25例病人接受3颗副甲状腺自体移值，B组25例病人接受0-2颗副甲状腺自体移植。