Detection of axillary lymph node metastasis with diffusion-weighted MR imaging

被引：13
|
作者：
Iima, Mami [1 ,2 ]
Kataoka, Masako [1 ]
Okumura, Ryosuke [2 ]
Togashi, Kaori [1 ]
机构：
[1] Kyoto Univ, Dept Diagnost Radiol, Grad Sch Med, Kyoto 6068507, Japan
[2] Kitano Hosp, Dept Radiol, Osaka, Japan
来源：
CLINICAL IMAGING | 2014年 / 38卷 / 05期
关键词：
Breast cancer; Axillary lymph node; Diffusion-weighted image; Apparent diffusion coefficient; BREAST-CANCER; ENHANCED MRI;
D O I：
10.1016/j.clinimag.2014.04.016
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
The feasibility of detecting axillary lymph node (LN) metastases with diffusion-weighted MR imaging was retrospectively evaluated. The relative ADC (with b values of 0 and 1000 s/mm(2)) between LNs in each axillary space was calculated (n=75). The area, the long and short diameter of the metastatic LNs were compared to those of non-metastatic LNs. The relative ADC value of metastatic LNs was significantly lower than that of non-metastatic LNs (P=.00). The long and short diameter LN diagnostic performance was superior to that of mean ADC and relative ADC (AUC: 0.84, 0.80 versus 0.64, 0.03), suggesting usefulness of diameter over ADC. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码：633 / 636
页数：4
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