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作者对162例疑有甲状腺及甲状旁腺疾患的病人用高分辨力的小探头超声进行了检查,全部病人显示出细小的神经纤维囊,即在甲状腺两侧叶矢状扫描所看到的直径1—2mm 的线状低回声,并被强回声包绕的结构,右侧位于甲状腺和椎体前缘之间,左侧位于甲状腺和颈段食管之闻。经3例尸体解剖证实,这个结构实际足喉返神经。162例中有9例为原因不明的声带麻痹,颈部未触及肿物,其中7例在甲状腺腺体的背侧有直径0.5—1.2cm 大小的结节,为实性低回声结构,周围无低回声晕,这些病变都与喉返神经接触,引起压迫移位。另外二例超声发现喉返神经被包绕在肿物中。超声导向细针活检证实,2例是乳头状癌,1例是复发性滤泡癌,2例甲状腺腺瘤和2例结节状甲状腺肿。全
The authors examined 162 patients with suspected thyroid and parathyroid disorders using high-resolution, small-probe sonography. All patients showed small neurofibrillary sac, which is the diameter seen on the sagittal scan of both sides of the thyroid. A 2-mm linear hypoechoic structure surrounded by a strong echo, with the right side between the thyroid and the anterior vertebral body and the left side located in the thyroid and cervical esophagus. After 3 cases of autopsy confirmed that this structure is actually the recurrent laryngeal nerve. Of the 162 cases, 9 cases were unexplained vocal cord paralysis, and no cervical masses were touched. Seven of them had nodules of 0.5-1.2 cm in diameter on the dorsal side of the thyroid gland. The hypoechoic structures were solid and hypoechoic. Low reverberation halo, these lesions are in contact with the recurrent laryngeal nerve, causing oppressive displacement. Two other cases of ultrasound found that the recurrent laryngeal nerve was surrounded by the tumor. Ultrasound-guided needle biopsy confirmed that 2 cases were papillary carcinoma, 1 case was recurrent follicular carcinoma, 2 cases of thyroid adenoma and 2 cases of nodular goiter. all