August 16, 2023
1. Pathology and clinic.
Intraductal carcinoma of the breast originates from the epithelium of the ductal system, and the lesion is limited to the duct wall and does not break through the basement membrane, so intraductal carcinoma is first considered when a mass is found in the lumen. The cancer tissue fills the lumen in different forms and degrees. The female about 50 years old often occurs, with nipple bloody discharge as the symptom, some of them can not touch the mass.
two。. Sonogram representation.
The sonographic findings of breast ductal carcinoma in situ are as follows: (1) most of the breast ductal carcinoma is located around the central areola and in the outer upper quadrant, and hypoechoic masses can be detected; (2) the local ducts are dilated in varying degrees and irregular. Nodular, cord-like and papillary masses of different sizes can be seen protruding into the lumen, or only flocculent echoes can be seen, and strong echo dots can be seen in the lumen. The lesion creeps along the catheter wall to form a low-echo or low-echo mass, without capsule, like a crab foot, attenuated or absent, with various shapes, some of which are dilated and tortuous, and the solid echo protrudes to the lumen or fills the lumen. (4) the boundary of the larger intraductal carcinoma is unclear, adhered to skin fat, indistinguishable from the lumen, showing cystic-solid mixed uneven disorderly light, and posterior echo attenuation. (5) the peripheral glands often showed lobular hyperplasia, and (6) the findings of color blood flow and axillary lymph node metastasis were the same as those mentioned above.
