超聲對(duì)乳腺惡性腫瘤的診斷課件

1、What is the top killer of womens health ? Breast CancerThe earlier a tumor is identified, the better chance for cure阿桑，臺(tái)灣女歌手，因罹患乳癌于2009病逝，年僅34歲。Ultrasonic Diagnosis of Breast Malignant Tumors乳腺惡性腫瘤的超聲診斷昆明醫(yī)學(xué)院附屬昆華醫(yī)院超聲科 尹欣 Sonographically, the breast is divided into three layers between the skin and th

2、e chest wall.在聲像圖中，從皮膚至胸壁可將乳腺組織可分為3層。These layers include :Subcutaneous layer 皮下組織層Mammary layer 腺體層Retromammary layer 乳腺后層Anatomy of the Breast 乳腺的解剖Subcutaneous layerMammary layerRetromammary layer Subcutaneous layer Retromammary layer composed of Fat and Connective tissueParenchymal Patterns The

3、appearance of the glandular elements of the breast vary remarkably from woman to woman and vary within the same woman depending on her stage in life. 女性乳腺的圖像在個(gè)體間有很 大的差異性，即使是同一人在 不同階段乳腺的圖像也不同 Young Female Fibrous elements predominate and reflects a dense echogenic of tissue青春期女性乳腺纖維組織較多因而腺體回聲細(xì)密Elder

4、FemaleThe breast tissue becomes progressively replaced with fat老年期乳腺逐漸脂肪化Sonographic Characteristics of Breast Malignant Tumors乳腺惡性腫塊的超聲表現(xiàn)CancerIrregular, spiculated, or angulated border 不規(guī)則,毛刺狀,或成角的邊界Crab螃蟹Cancroid 蟹足狀的CancerBreast cancer with Irregular border邊界不規(guī)則的乳腺癌Breast CancerMicrocalcificatio

5、ns 微鈣化點(diǎn)Small, hyperechoic spots without acoustic shadowing細(xì)小，高回聲的光點(diǎn)，不伴后方聲影Benign CalcificationEggshell Calcification 蛋殼樣鈣化Company LogoCharacteristics of Malignant Calcifications 1.Concentrated in one area, usually in the tumor. 2.Microcalcifications, 1mm. 3.Over 5 microcalcifications in 1 cm 1.集中于一處

6、，多位于腫塊內(nèi)。 2.細(xì)小鈣化， 1 惡性腫瘤的生長常常浸潤正常結(jié)構(gòu)而導(dǎo)致前后徑增大，故縱橫比常1。 Benign tumor with rich blood flow signals管中窺豹只一斑，葉落難斷已秋天。是峰是嶺橫側(cè)看，超脫物外也非仙！Characteristics of Benign TumorsOval or round 圓形或卵圓形Smooth, sharp border 邊界光滑，清楚Uniform echogenicity 回聲均勻Wider than tall 縱橫比1Fibroadenoma纖維腺瘤 Case 1Irregular borderMicrocalcificationsAbundant in blood flow signalsMalignantCase 2OvalSmooth, sharp borderBlood flow signals are n