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Contributions of B-ultrasonograPhy in Diagnosis of Cervical Lymph Node Metastasis of Malignant Tumors of Ear, Nose and Throat
Author(s): 
Pages: 157-159
Year: Issue:  5
Journal: WORLD HEALTH DIGEST·MEDICAL MONTHLY

Keyword:  转移颈淋巴结B超;
Abstract: 目的:探讨B超在辅助诊断耳鼻咽喉恶性肿瘤伴颈淋巴结转移中的作用.方法:回顾63例耳鼻咽喉恶性肿瘤病人的颈部触诊、B超检查和病理诊断资料,将颈部触诊和B超检查结果与术后病理诊断相对照.计算颈部触诊和B超检查的敏感性、特异性和准确性,用X2检验进行统计学分析.结果:颈部触诊的敏感性、特异性和准确性分别为62.50%、70.27%和66.67%;B超诊断的敏感性、特异性和准确性分别是96.89%、35.14%和63.76%.两种方法的敏感性和特异性的比较经X2检验有显著性差异(X2=11.68,p<0.05;X2=9.16,P<0.05).结论:B超检查诊断颈淋巴结恶性肿瘤转移敏感性较临床触诊高,但特异性较临床触诊低.B超检查可弥补临床触诊敏感性不高的缺陷,当颈部触诊未及淋巴结肿大,而B超检查发现淋巴结长径>10mm,或长径与短径的比值(L/s)<2,或淋巴结回声不均,门部结构破坏时,应充分注意.
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