Adding MRI to ultrasound and ultrasound-guided fine-needle aspiration reduces the false-negative rate of axillary lymph node metastasis diagnosis in breast cancer patients

S. J. Hyun, E. K. Kim, J. H. Yoon, H. J. Moon, M. J. Kim

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Abstract

Aim To evaluate whether adding magnetic resonance imaging (MRI) to ultrasound (US) and US-guided fine-needle aspiration (US-FNA) can reduce the false-negative rate (FNR) in the diagnosis of axillary lymph node metastasis (ALNM) in breast cancer patients, and to assess false-negative diagnosis of N2 and N3 disease when adding MRI to US and US-FNA. Materials and methods From March 2012 to February 2013, 497 breast cancer patients were included in the study. ALNM was evaluated according to US and US-FNA prior to MRI. Second-look US was performed when MRI showed positive findings of ALNM. If second-look US also revealed a positive finding, US-FNA was performed. Diagnostic performance, including FNR, was calculated for US and US-FNA with and without MRI. The negative predictive value (NPV) of N2 and N3 disease was evaluated in negative cases based on US and US-FNA with MRI. Results A total of 159 of 497 (32.0%) patients were found to have ALNM. Among them, 92 patients were diagnosed with metastasis on US and US-FNA. When adding MRI to US and US-FNA, an additional six patients were diagnosed with metastasis. The FNR of diagnosis of ALNM was improved by the addition of MRI (42.1% versus 38.4%, p = 0.0143). The NPV for N2 and N3 disease was 98% (391/399) based on US and US-FNA with MRI. Conclusion Adding MRI to US and US-FNA could reduce the FNR of the diagnosis of ALNM. Furthermore, US and US-FNA with MRI may exclude 98% of N2 and N3 disease.

Original languageEnglish
Pages (from-to)716-722
Number of pages7
JournalClinical Radiology
Volume70
Issue number7
DOIs
Publication statusPublished - 2015 Jul 1

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Fine Needle Biopsy
Lymph Nodes
Magnetic Resonance Imaging
Breast Neoplasms
Neoplasm Metastasis

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

Cite this

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title = "Adding MRI to ultrasound and ultrasound-guided fine-needle aspiration reduces the false-negative rate of axillary lymph node metastasis diagnosis in breast cancer patients",
abstract = "Aim To evaluate whether adding magnetic resonance imaging (MRI) to ultrasound (US) and US-guided fine-needle aspiration (US-FNA) can reduce the false-negative rate (FNR) in the diagnosis of axillary lymph node metastasis (ALNM) in breast cancer patients, and to assess false-negative diagnosis of N2 and N3 disease when adding MRI to US and US-FNA. Materials and methods From March 2012 to February 2013, 497 breast cancer patients were included in the study. ALNM was evaluated according to US and US-FNA prior to MRI. Second-look US was performed when MRI showed positive findings of ALNM. If second-look US also revealed a positive finding, US-FNA was performed. Diagnostic performance, including FNR, was calculated for US and US-FNA with and without MRI. The negative predictive value (NPV) of N2 and N3 disease was evaluated in negative cases based on US and US-FNA with MRI. Results A total of 159 of 497 (32.0{\%}) patients were found to have ALNM. Among them, 92 patients were diagnosed with metastasis on US and US-FNA. When adding MRI to US and US-FNA, an additional six patients were diagnosed with metastasis. The FNR of diagnosis of ALNM was improved by the addition of MRI (42.1{\%} versus 38.4{\%}, p = 0.0143). The NPV for N2 and N3 disease was 98{\%} (391/399) based on US and US-FNA with MRI. Conclusion Adding MRI to US and US-FNA could reduce the FNR of the diagnosis of ALNM. Furthermore, US and US-FNA with MRI may exclude 98{\%} of N2 and N3 disease.",
author = "Hyun, {S. J.} and Kim, {E. K.} and Yoon, {J. H.} and Moon, {H. J.} and Kim, {M. J.}",
year = "2015",
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T1 - Adding MRI to ultrasound and ultrasound-guided fine-needle aspiration reduces the false-negative rate of axillary lymph node metastasis diagnosis in breast cancer patients

AU - Hyun, S. J.

AU - Kim, E. K.

AU - Yoon, J. H.

AU - Moon, H. J.

AU - Kim, M. J.

PY - 2015/7/1

Y1 - 2015/7/1

N2 - Aim To evaluate whether adding magnetic resonance imaging (MRI) to ultrasound (US) and US-guided fine-needle aspiration (US-FNA) can reduce the false-negative rate (FNR) in the diagnosis of axillary lymph node metastasis (ALNM) in breast cancer patients, and to assess false-negative diagnosis of N2 and N3 disease when adding MRI to US and US-FNA. Materials and methods From March 2012 to February 2013, 497 breast cancer patients were included in the study. ALNM was evaluated according to US and US-FNA prior to MRI. Second-look US was performed when MRI showed positive findings of ALNM. If second-look US also revealed a positive finding, US-FNA was performed. Diagnostic performance, including FNR, was calculated for US and US-FNA with and without MRI. The negative predictive value (NPV) of N2 and N3 disease was evaluated in negative cases based on US and US-FNA with MRI. Results A total of 159 of 497 (32.0%) patients were found to have ALNM. Among them, 92 patients were diagnosed with metastasis on US and US-FNA. When adding MRI to US and US-FNA, an additional six patients were diagnosed with metastasis. The FNR of diagnosis of ALNM was improved by the addition of MRI (42.1% versus 38.4%, p = 0.0143). The NPV for N2 and N3 disease was 98% (391/399) based on US and US-FNA with MRI. Conclusion Adding MRI to US and US-FNA could reduce the FNR of the diagnosis of ALNM. Furthermore, US and US-FNA with MRI may exclude 98% of N2 and N3 disease.

AB - Aim To evaluate whether adding magnetic resonance imaging (MRI) to ultrasound (US) and US-guided fine-needle aspiration (US-FNA) can reduce the false-negative rate (FNR) in the diagnosis of axillary lymph node metastasis (ALNM) in breast cancer patients, and to assess false-negative diagnosis of N2 and N3 disease when adding MRI to US and US-FNA. Materials and methods From March 2012 to February 2013, 497 breast cancer patients were included in the study. ALNM was evaluated according to US and US-FNA prior to MRI. Second-look US was performed when MRI showed positive findings of ALNM. If second-look US also revealed a positive finding, US-FNA was performed. Diagnostic performance, including FNR, was calculated for US and US-FNA with and without MRI. The negative predictive value (NPV) of N2 and N3 disease was evaluated in negative cases based on US and US-FNA with MRI. Results A total of 159 of 497 (32.0%) patients were found to have ALNM. Among them, 92 patients were diagnosed with metastasis on US and US-FNA. When adding MRI to US and US-FNA, an additional six patients were diagnosed with metastasis. The FNR of diagnosis of ALNM was improved by the addition of MRI (42.1% versus 38.4%, p = 0.0143). The NPV for N2 and N3 disease was 98% (391/399) based on US and US-FNA with MRI. Conclusion Adding MRI to US and US-FNA could reduce the FNR of the diagnosis of ALNM. Furthermore, US and US-FNA with MRI may exclude 98% of N2 and N3 disease.

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