From Non-Mass Stage to Complex Type: Ultrasonographic Assessment of Granulomatous Lobular Mastitis Across Six Clinical Stages
Yin Yuliana,1, Cheng Yifana,1, Zhou Liangmeib, Zhong Yuanyuana, Wang Binga, Wu Jingjinga, Ren Yajuanb, Gao Dongwenb, Chen Hongfenga, Ye Meinaa,*(
), Yin Haoqiangb,*()
), Yin Haoqiangb,*()
.
Figure 1. Ultrasonographic features of the Non-Mass Stage in GLM (type 1: Track Sign with High Echogenicity on the Inner Wall). (A) shows the appearance of several ducts behind the areola, exhibiting irregular dilation and thickening of the ductal walls; (B) magnified image, reveals the thickened ductal walls with a strip-like or linear high echogenicity on the inner wall. The duct wall is smooth, and lipid-containing secretions (bold arrow) are visible inside the duct. A thin, uniformly hypoechoic halo (thin arrow) surrounds the duct; (C) highlights the blue region, which represents the hypoechoic track sign due to the thickening around the duct.
