Magnetic Resonance Imaging Patterns of Tumor Regression After Neoadjuvant Chemotherapy in Breast Cancer Patients

2012 ◽  
Vol 36 (2) ◽  
pp. 200-206 ◽  
Author(s):  
Tae Hee Kim ◽  
Doo Kyoung Kang ◽  
Hyunee Yim ◽  
Yong Sik Jung ◽  
Ku Sang Kim ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Neoadjuvant Chemotherapy ◽  
Cancer Patients ◽  
Tumor Regression ◽  
Breast Cancer Patients ◽  
Resonance Imaging

scholarly journals Clinical Application of Magnetic Resonance Imaging in Management of Breast Cancer Patients Receiving Neoadjuvant Chemotherapy

2013 ◽  
Vol 2013 ◽  
pp. 1-14 ◽  
Author(s):  
Jeon-Hor Chen ◽  
Min-Ying Su
Keyword(s):  
Breast Cancer ◽  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Neoadjuvant Chemotherapy ◽  
Cancer Patients ◽  
Clinical Application ◽  
Pathologic Complete Response ◽  
Early Time ◽  
Breast Cancer Patients ◽  
Resonance Imaging

Neoadjuvant chemotherapy (NAC), also termed primary, induction, or preoperative chemotherapy, is traditionally used to downstage inoperable breast cancer. In recent years it has been increasingly used for patients who have operable cancers in order to facilitate breast-conserving surgery, achieve better cosmetic outcome, and improve prognosis by reaching pathologic complete response (pCR). Many studies have demonstrated that magnetic resonance imaging (MRI) can assess residual tumor size after NAC, and that provides critical information for planning of the optimal surgery. NAC also allows for timely adjustment of administered drugs based on response, so ineffective regimens could be terminated early to spare patients from unnecessary toxicity while allowing other effective regimens to work sooner. This review article summarizes the clinical application of MRI during NAC. The use of different MR imaging methods, including dynamic contrast-enhanced MRI, proton MR spectroscopy, and diffusion-weighted MRI, to monitor and evaluate the NAC response, as well as how changes of parameters measured at an early time after initiation of a drug regimen can predict final treatment outcome, are reviewed. MRI has been proven a valuable tool and will continue to provide important information facilitating individualized image-guided treatment and personalized management for breast cancer patients undergoing NAC.

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