Abstract: To investigate the clinical features and management of thyroid microcarcinoma. MethodsThe clinical features and imaging characteristics of 76 patients were retrospectively analyzed. ResultsOf 76 cases, tumors in 19 cases (25%) could be touched by thyroid physical examination before the operations, in 68 cases(89.47%) were determined by B ultrasonography in regular physical checkups, and in 8 cases(10.53%) were found by chance during benign thyrode tumor operations. All were confirmed by neck B ultrasonography before the operations, of them 10 were double thyroid tumors, 66 were unilateral, and 63 (82.89%) were hypoechoic and had no capsule. 51(67.10%) were calcific tuber. 64 (84.21%) cases were found by CT/MRI scanning before the operations, of them 56(87.5%) had no capsule, and 42 (65.63%) were calcific tuber. 55 cases were detected by nuclein scanning, of them 10(18.18%) were warm tuber, 18 (50.90%) were cold tuber, and 17(30.91%) were not shown. ConclusionTMC is difficult to diagnose before the operations, but by regular physical checkups, B ultrasonography, CT/MRI, ECT scan and other imagining examinations, most of them could be diagnosed.

Key words: Microcarcinoma, Thyroid neoplasms, Thyroid, Surgical operation, Diagnosis