患者女,51岁。发现右乳肿块1个月,增大1周。体查:右乳外上象限可扪及一约7cm×7cm大小肿块,质地硬,边界清,无压痛,活动度差,与周围组织无粘连,皮肤无红肿、发热。超声检查:右乳外侧及外上象限可见一囊实混合回声包块,边界清,形态欠规则,大小约15cm×12cm×6mm(图1)。双侧腋窝未见明显肿大淋巴结。CDFI:右乳混合回声包块实性部分可见点条状血彩(图2)。超声提示:右乳囊实包块。行右乳癌改良根治术。术中冰冻切片 Female patient, 51 years old. Found 1 month right breast lumps, an increase of 1 week. Physical examination: the right upper quadrant of the upper quadrant palpable palpable about a 7cm × 7cm size of the mass, hard texture, clear boundary, no tenderness, poor mobility, no adhesions with the surrounding tissue, the skin without swelling, fever. Ultrasonography: Right and outside the upper quadrant of the outer quadrant can be seen a cystic mixed echo mass, clear boundary, the shape of irregular rules, the size of about 15cm × 12cm × 6mm (Figure 1). No obvious enlarged axillary lymph nodes. CDFI: Right breast mixed echogenic mass of solid pieces visible strip of color (Figure 2). Ultrasound Tip: right breast capsule mass. OK right breast cancer radical mastectomy. Intraoperative frozen section