Abstract
Objective To study the appearance of follicular thyroid carcinoma (FTC) and medullary thyroid carcinoma (MTC) on color ultrasound and the value of differential diagnosis of ultrasound.Methods The data on 41 patients with FTC and 51 patients with MTC lesions were analyzed retrospectively.The ultrasound appearance and pathological features of these two types of cancer were compared.Results Follicular carcinoma had a higher incidence rate than medullary carcinoma in female (P＜0.05).Medullary carcinoma was easier to occur lymph node metastasis than follicular carcinoma (P＜0.05).Most of ollicular carcinomas had clear surroundings without interior calcification,while medullary carcinoma had unclear surroundings with internal calcification (P＜0.05).Blood supply to cancerous tissues also differed between the two types of cancer (P＜0.05).Conclusions Color ultrasound appearance is of significance in the differential diagnosis of follicular thyroid carcinoma and medullary thyroid carcinoma,which is helpful in the establishment of therapeutic regimens. Key words: Thyroid carcinoma; Follicular; Medullary
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