21 cases underwent operations for parathyroid adenoma (16 patients),parathyroid hyperplasia (2 patients) and parathyroid cancer (3 patients).

• 2 1例行手术治疗 ,术后诊断甲状旁腺瘤 16例 ,甲状旁腺增生 2例 ,甲状旁腺癌 3例。