ABSTRACT
Objective To explore the clinical value of ultrasound guided biopsy in the diagnosis of thyroid micro carcinoma . Methods 150 patients who were suspected to have thyroid nodules on thyroid ultrasound examination in recent years were enrolled for the study .They all went first for ultrasound guided biopsy and then for surgical resected pathological examination .Results 51 cases with confirmed cancer on ultrasound guided biopsy underwent surgical resected pathological examination ,3 cases were missed diagnosis .Surgical findings revealed carcinoma with diameter greater than 1 cm in 24 cases ,follicular carcinoma and medullary car-cinoma in 2 cases .Carcinoma with diameter less than 1 cm were revealed in 30 cases of papillary carcinoma .There were 2 male and 28 female patients ,aged range from 15-40 years having mean age of (27 .5 ± 1 .3) years .The accuracy of ultrasound guided biop-sy reached up to 90 .0% .Conclusion Ultrasound guided biopsy has high accuracy in diagnosing thyroid micro carcinoma preoperatively .