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目的探讨超声引导下穿刺活检对触诊阴性乳腺病变的诊断价值。方法对5242例乳腺门诊就诊患者进行高频超声筛查,共检查出触诊阴性、B超提示直径0.3～1.8cm乳腺结节的41例(0.78%),并通过超声引导下穿刺活检,统计分析病灶性质、病理类型、病灶大小等。结果 41例病理结果中发现24例(58.5%)乳腺癌病灶,其中浸润性导管癌18例,髓样癌2例,导管内乳头状癌2例,导管内癌2例。其超声特征包括没有明显钙化的结节16例,簇状钙化点5例,在小结节里的微钙化点(<0.7cm)2例,扩张的导管内的微钙化点1例。结论超声引导下穿刺活检为触诊阴性乳腺病变患者的早诊早治提供一个安全有效、便捷的检查方法。
Objective To investigate the diagnostic value of ultrasound-guided needle biopsy on palpation-negative breast lesions. Methods A total of 5242 breast clinic patients were screened by high-frequency ultrasound. Totally 41 cases (0.78%) of breast nodules with diameters of 0.3 ~ 1.8cm were examined by B-mode ultrasonography. Thirty-two patients underwent ultrasound-guided biopsy. Analysis of the nature of the lesion, pathological type, lesion size and so on. Results Twenty-four cases (58.5%) of breast lesions were found in 41 cases of pathological findings, including 18 invasive ductal carcinomas, 2 medullary carcinomas, 2 ductal papillary carcinomas and 2 ductal carcinomas. The sonographic features included 16 cases of nodules without calcification, 5 cases of cluster calcification, 2 cases of microcalcification in small nodules (<0.7 cm) and 1 case of microcatheterization in dilated duct. Conclusion Ultrasound-guided biopsy provides a safe, effective and convenient method for the early diagnosis and early diagnosis of palpation-negative breast lesions.