Purpose To explore the prognosis of patients with medullary thyroid carcinoma (MTC), the apoptotic cells, bcl 2, p53 and Ki 67 in 21 cases of human medullery thyroid carcinoma were detected.

• 目的：检测甲状腺髓样癌内凋亡细胞、bcl－2、p53和Ki－67，探讨其与患者的预后关系。