Abstract
In 103 cases of thyroid tumors, we examined imagimg of thyroid tumors with Tl scintigraphy, ultrasonoraphy, and CT scan.
1) Hisopathological examination showed cancer 51 cases in (43 papillary carcinomas, 4 follicular carcinomas, 3 anaplastic carcinomas, 1 squamous cell carcinoma), and benign tumors 52 cases in(26 adenomas, 20 adenomatous goiters, 6 cysts).
2) Ultrasonography were most useful examination for differential diagnosis between benign and malignant tumor in nodular goiter.
3) Tl scintigraphy gave effective imformation in the determination of appearance of neck lymph node metastasis of thyroid carcinoma.
4) In cases of advanced thyroid carcinoma with tracheal invasion, CT scan were useful for evaluation of extent of the tumor in the preoperative diagnosis.
