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[Cervical lymph node metastasis and blood metastasis of thyroid cancer]
Objective:
To evaluate the relevant factors for lymph cervical node metastases and blood metastases of thyroid cancer and to raise the level of diagnosis and treatment.
Methods:
225 cases of thyroid cancer were treated from Jan. 1984 to Dec. 1992. Their clinical characteristics, treatment, and pathologic features were described.
Results:
The metastasis of thyroid cancer was related to its pathologic and invasive features. Papillary and squamous cell carcinomas were characterized by local lymph metastasis. Their metastasis rate was 44.7%, and 3/3 respectively. Follicular carcinoma showed good differentiation but vessel metastasis with a metastatic rate of 18.2%. The metastasis rate was high and the prognosis poor, in undifferentiated cancer.
Conclusions:
Better treatment results may be achieved if proper management of thyroid cancer is based on its pathologic type and extent of local infiltration.