患者女,79岁。左侧乳腺外上象限近乳头处触及大小约4cm×5cm肿物,边界不清,质中等,活动度尚可,无触压痛,左侧乳头内陷,局部皮肤发暗,可见少许曲张血管隆起于皮肤表面。超声检查:左乳外上象限近乳头处相当于10~11点腺体内见约5.2cm×3.2cm的混合性回声团块,以液性为主,内可见细密点状回声漂浮,并可见高回声团块及不规则增厚的隔样回声(图1),内见双向彩色血流信号, Female patient, 79 years old. The left upper quadrant of the upper quadrant of the left upper quadrant touches a tumor of approximately 4 cm x 5 cm in size with unclear boundary, moderate mass, moderate mobility, no tenderness, left nipple retraction and darkening of the local skin with a slight varicose veins On the skin surface. Ultrasound examination: the left upper quadrant of the upper quadrant of the upper quadrant is equivalent to a mixed echogenic mass of about 5.2 cm × 3.2 cm in the gland of 10 to 11 points, predominantly in liquidity, with fine-point echogenic flotation visible and visible High echo mass and irregular thickened echo (Figure 1), see bi-directional color flow signal,