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ECR 2019 / C-0037
Differential diagnosis of soft tissue tumours by using semi-quantitative and quantitative parameters of dynamic contrast-enhanced magnetic resonance imaging
Congress: ECR 2019
Poster No.: C-0037
Type: Scientific Exhibit
Keywords: Musculoskeletal bone, Musculoskeletal joint, Musculoskeletal soft tissue, CT, MR, MR-Diffusion/Perfusion, Audit and standards, Complications, Contrast agent-intravenous, Cancer
Authors: Y. Zhang, D. Hao, W. Xu; Qingdao/CN
DOI:10.26044/ecr2019/C-0037

Methods and materials

Totally 45 patients with pathologically confirmed soft tissue tumours (15 benign tumours and 30 malignant tumours) underwent DCE-MRI. The semi-quantitative parameters were as follows: time to peak (TTP), maximum concentration (MAX Conc.), area under curve of time-concentration curve (AUC-TC), and maximum rise slope (MAX Slope). Quantitative DCE-MRI was analysed with the Extended Tofts–Kety model to obtain the following quantitative parameters: Ktrans, Kep, and Ve. Data were evaluated using the independent t test or Mann–Whitney U test analysis and receiver operating characteristic (ROC) curves. The following groups of tissues were compared: benign tumours and normal tissues, malignant tumours and normal tissues, benign tumours and malignant tumours, and benign control groups and malignant control groups.

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