AN INTERACTIVE COMPUTER-AIDED DIAGNOSIS SYSTEM FOR DETECTING METASTATIC LYMPH NODE IN FEMALE PELVIS BASED ON DIFFUSION WEIGHTED IMAGING

Manual depiction of lymph nodes on DWI is a time-consuming process, biased in inter- and intra-observer reproducibility exists in both detecting lymph nodes in DWI and measuring their size and apparent diffusion coefficient (ADC) values. We aim to develop an interactive system of computer-aided detection and diagnosis (CAD) for lymph node labeling on DWI. With optimal empirical parameters, the CAD showed a sensitivity of 85.0% with a positive predictive rate of 76.9%. The features render CAD a prospective tool for differentiating malignant and benign lymph node on DWI.

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