hyroidectomy is improved by loupe magnification. Microsurgery 24:39 – 42.) 5、行中央区淋巴结清扫时,应尽量保留甲状腺下动脉的主干及其重要分支,以保留甲状旁腺的血供; 6、行中央区淋巴结清扫时,只要肿瘤未累及胸腺, 应予以保留,可避免误切 B2 型甲状旁腺及保留 B3 型甲状旁腺的血供; 7、术中应常规在切除标本中仔细寻找有无被误切的甲状旁腺; 8、注意甲状软骨下角区域; 9、缩小手术范围; ?微小癌是否需清扫中央区,那种获益更多? PTC usually has an excellent prognosis, and therefore D in patients without macroscopic evidence of lymph node disease is not routinely advocated 。( Dralle H, Machens A 2012 Primary surgery for differentiated thyroid cancer in the new millennium. J EndocrinolInvest 35:10 – 15.) 2. ( El Khatib Z, Lamblin J, Aubert S, Arnalsteen L, Leteurtre E, Caiazzo R, Pattou F, Carnaille B 2010 Is thymectomy worthwhile in central lymph node dissection for differentiated thyroid cancer? World J Surg 34:1181 – 1186. )