1·Conclusions: Distant metastasis from differentiated thyroid carcinoma needs to be considered in the differential diagnosis of destructive skull base lesions, regardless of the patient's age.
结论：不管患者年龄大小，在破坏性颅底病变的鉴别诊断时需考虑分化型甲状腺癌远处转移。
2·Objective: To approach reasonable operational mode with differentiated thyroid cancer and precaution of correlated complications.
目的：探讨分化型甲状腺癌的合理手术方式的选择及其并发症的预防方法。
3·Objective To study the optimal incision in radical operation of differentiated thyroid carcinoma.
目的探讨分化型甲状腺癌根治术的最佳手术切口。
4·Methods the functional neck dissection preserving cervical plexus was performed in 24 patients with differentiated thyroid cancer, and the clinical effect was observed.
方法24例分化型甲状腺癌患者，行保留颈丛神经的功能性颈清扫术，观察其临床效果。
5·Objective To study the causes of misdiagnosis for differentiated thyroid carcinoma in teenager, the re-operative indication and style as well as the prevention of complication.
目的探讨青少年分化型甲状腺癌误诊误治原因及再手术指征、手术方式、并发症的预防。