Conclusion The comprehensive analysis of multiple parameters by 2D HFU features is helpful to definite diagnosis in most breast carcinoma, but it is limited in diagnosis of small breast carcinoma.

• 结论 二维超声征象多参数综合分析对大多数乳腺恶性肿瘤有助于明确诊断，但对微小乳腺癌的诊断仍有局限性。