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Abstract #2179

Evaluating IVIM and ADC Parameters to Differentiate Benign and Malignant Soft-Tissue Lesions

Matthew Marzetti1,2, Philip Robinson3, Leanne Maguire3, Peter Duce3, Stefan Klein4, Martijn Starmans4,5, Andrew Scarsbrook3,6, and David Buckley2
1Department of Medical Physics and Engineering, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom, 2Biomedical Imaging, University of Leeds, Leeds, United Kingdom, 3Department of Radiology, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom, 4Department of Radiology and Nuclear Medicine, Erasmus MC Cancer Institute, Rotterdam, Netherlands, 5Department of Surgical Oncology, Erasmus MC Cancer Institute, Rotterdam, Netherlands, 6Leeds Institute of Medical Research, University of Leeds, Leeds, United Kingdom

Synopsis

Keywords: IVIM, Diagnosis/Prediction, Soft-tissue cancer and sarcoma

Motivation: Patients with soft-tissue lesions often undergo biopsies to confirm diagnosis, as distinguishing benign from malignant ones with MRI is challenging. Intravoxel incoherent motion (IVIM) may increase the discriminatory power of MRI, which could reduce the number of biopsies leading to improved patient experience and efficiency for healthcare providers.

Goal(s): Differentiate malignant from benign soft-tissue lesions using diffusion weighted imaging (DWI)-derived parameters including IVIM.

Approach: Research-specific DWI scans were analysed using mono-exponential and IVIM fitting techniques. Parameters measured in lesions were compared between benign and malignant cases.

Results: Some IVIM-derived parameters demonstrated discriminatory potential, supporting further exploration and validation in a larger study.

Impact: This work uses quantitative MRI to differentiate benign from malignant soft-tissue lesions, aiming to reduce the need for soft-tissue biopsies. This could reduce the number of invasive procedures patients undergo and provide diagnoses faster, reducing patient anxiety, pain and discomfort.


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Keywords