Texture analysis on MR images helps predicting non-response to NAC in breast cancer

BMC Cancer

Research Article

M. Berlière¹  I. Leconte²  S. Van den Broeck²  L. Fellah²  L. Lacoste²  N. Michoux³  C. Galant⁴ 

[1] Pathology Department, Cliniques Universitaires Saint-Luc, Avenue Hippocrate 10, B1200, Brussels, Belgium;Radiology Department, Cliniques Universitaires Saint-Luc, Avenue Hippocrate 10, B1200, Brussels, Belgium;Radiology Department, IREC (Institute of Experimental and Clinical Research) - IMAG, Université Catholique de Louvain, Cliniques Universitaires Saint-Luc, Avenue Hippocrate 10, B1200, Brussels, Belgium;Surgery Department, Cliniques Universitaires Saint-Luc, Avenue Hippocrate 10, B1200, Brussels, Belgium;

关键词: Breast cancer;    Neoadjuvant chemotherapy;    MRI;    Texture analysis;   

DOI  :  10.1186/s12885-015-1563-8

 received in 2014-03-07, accepted in 2015-07-16,  发布年份 2015

来源: Springer

【 摘 要 】

BackgroundTo assess the performance of a predictive model of non-response to neoadjuvant chemotherapy (NAC) in patients with breast cancer based on texture, kinetic, and BI-RADS parameters measured from dynamic MRI.MethodsSixty-nine patients with invasive ductal carcinoma of the breast who underwent pre-treatment MRI were studied. Morphological parameters and biological markers were measured. Pathological complete response was defined as the absence of invasive and in situ cancer in breast and nodes. Pathological non-responders, partial and complete responders were identified. Dynamic imaging was performed at 1.5 T with a 3D axial T1W GRE fat-suppressed sequence. Visual texture, kinetic and BI-RADS parameters were measured in each lesion. ROC analysis and leave-one-out cross-validation were used to assess the performance of individual parameters, then the performance of multi-parametric models in predicting non-response to NAC.ResultsA model based on four pre-NAC parameters (inverse difference moment, GLN, LRHGE, wash-in) and k-means clustering as statistical classifier identified non-responders with 84 % sensitivity. BI-RADS mass/non-mass enhancement, biological markers and histological grade did not contribute significantly to the prediction.ConclusionPre-NAC texture and kinetic parameters help predicting non-benefit to NAC. Further testing including larger groups of patients with different tumor subtypes is needed to improve the generalization properties and validate the performance of the predictive model.

【 授权许可】

CC BY   
© Michoux et al. 2015