超声对乳腺恶性肿瘤的诊断ppt课件

What is the top killer of womens health ?,Breast Cancer,The earlier a tumor is identified, the better chance for cure,阿桑，台湾女歌手，因罹患乳癌 于2009病逝，年仅34岁。,Ultrasonic Diagnosis of Breast Malignant Tumors 乳腺恶性肿瘤的超声诊断,昆明医学院附属昆华医院 超声科 尹欣,Breast cancer is the first leading cause of death for women all over the world. In the United States more than 8% women will suffer this disease during their life time.,Sonographically, the breast is divided into three layers between the skin and the chest wall. 在声像图中，从皮肤至胸壁可将乳腺组织可分为3层。,These layers include : Subcutaneous layer 皮下组织层 Mammary layer 腺体层 Retromammary layer 乳腺后层,Anatomy of the Breast 乳腺的解剖,Subcutaneous layer Mammary layer Retromammary layer,Subcutaneous layer Retromammary layer composed of Fat and Connective tissue,Pregnant Female,The breast proliferate remarkably in both density and volume 妊娠期女性乳腺显著增生,Elder Female,The breast tissue becomes progressively replaced with fat 老年期乳腺逐渐脂肪化,How to Scan,The breast is divided into four quadrant : Upper Outer Quadrant(UOQ), Upper Inner Quadrant (UIQ), Lower Outer Quadrant (LOQ), Lower Inner Quadrant (LIQ), Check these four quadrant in a clockwise direction and then scan nipple(乳头) and oxter（腋下）,Sonographic Characteristics of Breast Malignant Tumors 乳腺恶性肿块的超声表现,Cancer Crab螃蟹,癌症,巨蟹座,Cancer,Irregular, spiculated, or angulated border 不规则,毛刺状,或成角的边界,Crab螃蟹,Cancroid 蟹足状的,Cancer,Breast cancer with Irregular border 边界不规则的乳腺癌,Breast Cancer,Microcalcifications 微钙化点 Small, hyperechoic spots without acoustic shadowing 细小，高回声的光点，不伴后方声影,Benign Calcification,Eggshell Calcification 蛋壳样钙化,Company Logo,Characteristics of Malignant Calcifications,1.Concentrated in one area, usually in the tumor. 2.Microcalcifications, 1mm. 3.Over 5 microcalcifications in 1 cm 1.集中于一处，多位于肿块内。 2.细小钙化，1mm 。 3.每平方厘米微小钙化数 5个 【参考文献】 林薇,廖玲.微小钙化在乳腺癌X线诊断中的意义.实用医技杂志2006.1,Cancer,Taller than wide 纵/横比1,乳腺超声诊断,Parallel wider than tall long axis parallel to skin NOT parallel taller than wide long axis perpendicular to skin,Taller than wide,The growth of malignant tumors are often infiltrate surrounding structures and resulting the aspect ratio is 1 恶性肿瘤的生长常常浸润正常结构而导致前后径增大，故纵横比常1。,Cancer,Abundant in blood flow signals 血流信号丰富,Benign tumor with rich blood flow signals,管中窥豹只一斑，叶落难断已秋天。 是峰是岭横侧看，超脱物外也非仙！,Characteristics of Benign Tumors,Oval or round 圆形或卵圆形 Smooth, sharp border 边界光滑，清楚 Uniform echogenicity 回声均匀 Wider than tall 纵横比1,Fibroadenoma 纤维腺瘤,Benign or Malignant？,Case 1,Irregular border Microcalcifications Abundant in blood flow signals Malignant,Case 2,Oval Smooth, sharp b