From Non-Mass Stage to Complex Type: Ultrasonographic Assessment of Granulomatous Lobular Mastitis Across Six Clinical Stages

Yin Yulian, Cheng Yifan, Zhou Liangmei, Zhong Yuanyuan, Wang Bing, Wu Jingjing, Ren Yajuan, Gao Dongwen, Chen Hongfeng, Ye Meina, Yin Haoqiang

Table 1 Clinical and ultrasound assessment results

Clinical assessment Frequency Percentage Ultrasound assessment Sensitivity Specificity PPV NPV GLM, granulomatous lobular mastitis; PPV, positive predictive value; NPV, negative predictive value GLM 261 95.60% 98.85% 83.33% 99.23% 76.92% Not GLM 12 4.40%