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

页码：633 / 636

页数：4

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