患者男性,72岁。无意间发现右侧乳腺包块1周。查体:右侧乳腺乳晕区可触及一直径1.5 cm的肿物,质硬,边界欠清。各项实验室检查均未见异常。超声检查示右侧乳腺腺体结构回声正常,左侧乳晕区3点探及1.5 cm×1.1 cm大小的不均匀低回声结节(图1),边界不清。CDFI其内探及动脉血流信号,RI 0.69,双侧腋窝未见明显肿大淋巴结。超声诊断:(左侧乳晕区)不均匀低回声结节,癌可能?临床 Patient male, 72 years old. Inadvertently found the right breast mass 1 week. Physical examination: the right breast canola area can reach a diameter of 1.5 cm tumor, hard, border less clear. None of the laboratory tests showed any abnormalities. Ultrasonography showed a normal echogenicity of the mammary gland in the right breast, 3 points in the left areola area, and an uneven hypoechoic nodule of 1.5 cm × 1.1 cm in size (Figure 1) with unclear boundaries. CDFI exploration and arterial blood flow signal, RI 0.69, no obvious bilateral enlarged axillary lymph nodes. Ultrasound diagnosis: (left areolar area) uneven hypoechoic nodules, cancer may be? Clinical