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作者对52例甲状腺癌术后患者使用高频(10-MHz)超声检查随访,以发现颈部有无肿块或/和淋巴结增大。所有病人(其中44例肿块体检未触及)均行超声导向经皮穿刺活检。29例见到有恶变细胞,20例无阳性发现,3例因标本过少无法诊断。94%(52例中的49例)活检可确切作出有恶变(56%)和阴性(38%)的结论。无合并症出现。作者认为,高频超声检查可明确有无甲状腺恶性肿瘤复发以及淋巴结转移,对高度疑有甲状腺癌复发者
The authors followed 52 patients with postoperative thyroid cancer using high-frequency (10-MHz) ultrasonography to see if there was a lump in the neck and/or lymph node enlargement. All patients (44 of whom had no physical contact with the mass) underwent ultrasound-guided percutaneous biopsy. Twenty-nine cases had malignant transformation cells, 20 cases had no positive findings, and 3 cases could not be diagnosed because of too few specimens. Ninety-four percent (49 out of 52) biopsies could be definitively concluded with malignant (56%) and negative (38%). No complications appeared. The author believes that high-frequency ultrasonography can confirm the recurrence of thyroid cancer and lymph node metastasis, and it is highly suspected of recurrence of thyroid cancer.