Objective To study the value of contrast - enhanced ultrasonography ( CEUS ) in differential diagnosis of polypoid lesions in gallbladder. Methods CEUS and conventional ultrasound imaging obtainefl from 32 cases of polypoid lesions in gallbladder were analyzed in comparison with pathological diagnosis. Results Postoperative pathological examinations showed gallhladder carcinoma in 7 cases , gallbladder polyposis in 20 cases, gallbladder adenoma in 4 cases and biliary argilia in 1 case. The results of CEUS in these 32 cases of polypoid lesions in gallbladder demonstrated that gallbladder carcinoma in 8 cases, benign lesions including gallbladder adenoma and gallbladder polyposis in 23 cases and biliary argilia in 1 case. The results of conventional ultrasound imaging in these 32 cases showed gallbladder carcinoma in 9 cases, benign lesions including gallbladder adenoma and gallbladder polyposis in 21 cases and biliary argilia in 2 cases. The diagnostic accuracy of CEUS was significantly higher than that of conventional ultrasound imaging ( 90.6％ vs 65. 6 ％ ; x2 =5. 85 , P ＜0. 05 ) in comparison with pathological diagnosis. Conclusion CEUS is helpful in differential diagnosis of polypoid lesions in gallbladder.%目的 探讨超声造影在胆囊息肉样病变鉴别诊断中的价值.方法 对照病理诊断结果,分析32例胆囊息肉样病变的超声造影特征与常规超声图像.结果 32例胆囊息肉样病变病理结果为胆囊癌7例,胆囊息肉20例,腺瘤4例,胆泥1例.超声造影提示胆囊癌8例,胆囊息肉23例,胆泥1例.常规超声提示胆囊癌9例,胆囊息肉21例,胆泥2例.与病理结果对照,超声造影的诊断准确率(90.6%)高于常规超声的诊断准确率(65.6%)相比,差异有统计学意义( P<0.05).结论 超声造影有助于胆囊息肉样病变的鉴别诊断.
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