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乳腺脂肪瘤位于皮下脂肪层内或腺体层,超声检测多为中强回声,内部回声欠均匀,瘤体呈圆形或椭圆形,瘤体边界清楚,是一种常发于中老年女性的发良性肿瘤。乳腺脂肪瘤表面为分叶状,外层有纤维包膜,单个表现居多,且周边组织物粘连。鉴别诊断:乳腺脂肪瘤也是一种良性肿瘤,常规彩超显示呈低回声,境界不甚清楚;乳汁淤积而形成积乳囊肿,随淤积时间延长而致乳汁钙化;分叶型乳腺纤维瘤以及乳腺错构瘤,生长较快且质较硬;乳管内乳头状癌肿块表面不光滑,乳管可有扩张和破坏。
Breast lipoma is located in the subcutaneous fat layer or glandular layer, mostly in the echogenic ultrasound echo, the internal echo less uniform, round or oval tumor, tumor clear boundary is a common in middle-aged women Fat benign tumor. Breast lipoma lobulated surface, the outer fibrous capsule, a single performance of the majority, and the surrounding tissue adhesion. Differential diagnosis: Breast lipoma is also a benign tumor, conventional hypoechoic showed hypoechoic, the realm is not clear; milk siltation and the formation of accumulating milk cyst, with sedimentation time prolonged milk calcification; lobular breast fibroids and breast cancer Tumor, rapid growth and hard quality; intraductal papillary carcinoma of the surface is not smooth, the ducts may have expansion and destruction.