Diagnostic value of conventional ultrasound combined with elastography in idiopathic granulomatous mastitis and ductal carcinoma in situ#br#
XING Boyuan1 ZHANG Bingyi1 LIU Jie1 YAN Ziwei1 DONG Meng1 LI Xingzi2
1.Department of Ultrasound, the First People’s Hospital of Yichang, Hubei Province, Yichang 443000, China;
2.Department of Pathology, the First People’s Hospital of Yichang, Hubei Province, Yichang 443000, China
Abstract：Objective To investigate the conventional ultrasonographic features and elastic characteristics of idiopathic granulomatous mastitis (IGM) and ductal carcinoma in situ (DCIS), in order to improve the differential diagnosis level of IGM and DCIS by ultrasonography. Methods IGM patients who underwent conventional ultrasound and elastography examination and were confirmed by hollow needle biopsy or surgical pathology in the Department of Ultrasound, the First People’s Hospital of Yichang, Hubei Province from January 2018 to July 2021 were selected as IGM group (45 cases), and DCIS patients as DCIS group (56 cases). The clinical characteristics, ultrasonic imaging characteristics, and ultrasonic elastic parameters of two groups were compared; receiver operating characteristic curve was drawn to calculate the sensitivity, specificity and optimal cut-off value of elastic ratio in diagnosis of IGM. Results There were statistically significant differences in age and maximum diameter of lesions between two groups (P < 0.05). There were statistically significant differences in internal echo, posterior echo characteristics, microcalcification, surrounding tissue edema, ipsilateral axillary lymph node enlargement, and elastic score between two groups (P < 0.05). The elastic ratio in IGM group was lower than that in DCIS group, and the difference was statistically significant (P < 0.05). The optimal cut-off value of elastic ratio for IGM diagnosis was 2.27, the sensitivity and specificity were 86.70% and 94.60%, respectively, and the area under the curve was 0.818 (95%CI: 0.706-0.929, P < 0.05). Conclusion Conventional ultrasound combined with elastography is helpful for the differential diagnosis of IGM and DCIS.
邢博缘1 张秉宜1 刘捷1 闫紫薇1 董梦1 李幸子2. 常规超声结合弹性成像对特发性肉芽肿性乳腺炎和导管内原位癌的鉴别诊断价值[J]. 中国医药导报, 2022, 19(7): 19-22.
XING Boyuan1 ZHANG Bingyi1 LIU Jie1 YAN Ziwei1 DONG Meng1 LI Xingzi2. Diagnostic value of conventional ultrasound combined with elastography in idiopathic granulomatous mastitis and ductal carcinoma in situ#br#. 中国医药导报, 2022, 19(7): 19-22.
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