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Abstract #2424

Proton MR Spectroscopy in Breast: Lipid Metabolite Concentrations as Valuable Quantitative Imaging Biomarkers for Cancer Diagnosis

Sunitha B Thakur1, Sandra Brennan2, Ileana Hancu3, Blanca Bernard-Davila4, Michael Weber5, Elizabeth Manderski2, Elizabeth Morris2, and Katja Pinker2

1Medical Physics, Memorial Sloan Kettering Cancer Center, New York, NY, United States, 2Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, United States, 3GE Global Research, Niskayuna, NY, United States, 4Memorial Sloan Kettering Cancer Center, New York, NY, United States, 5Medical University Vienna, Vienna, Austria

Differential expression of lipid metabolism-related proteins was recently reported in breast cancer patients. In this retrospective MR spectroscopy (MRS) study, the spectral lipid profile was assessed in breast cancer patients with malignant and benign lesions. Single-voxel MRS data from 176 breast lesions was analyzed to quantify multiple lipid metabolite concentrations using LCModel. Lipid peak analysis highlighted significant differences in lipid metabolite concentrations with significantly low concentrations in malignant compared to benign lesions and in luminal cancers compared to other molecular subtypes. MRS-based lipid metabolite profile may provide a valuable tool for breast cancer diagnosis.

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