In 52 cases(49%)the preoperative diagnosis conformed to the patholoeic result,but in 54 patients(51%)not,In the latter,43 cases were misdiagnosed as thyroid adenoma due to the presence of single adenomatoid nodule.

• 不符合者54例,占51%25。 后者中呈单个腺瘤样肿块而误诊为腺瘤者43例。