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Journal of Radiation Research and Imaging

ISSN: 2768-5497

2026

Volume 4, Issue 1, p1-9

Articles published in this issue are Open Access and licensed under Creative Commons Attribution License (CC BY NC) where the readers can reuse, download, distribute the article in whole or part by mentioning proper credits to the authors.

Original Research Open Access

Comparative evaluation of diffusion-weighted MRI and 18F-FDG PET-CT for detection and volumetric assessment of colorectal cancer liver metastases

Numan C. Balci, Giuseppe Iuppa, Ayham K. Ansari, Carla Hajj, Amanullah Khan, Juan S. Barajas-Gamboa, Hidayath A. Ansari

Purpose: To compare diffusion-weighted imaging (DWI) and 18F-FDG PET-CT for detection and volumetric assessment of colorectal cancer liver metastases, evaluating the optimal b-value for volumetric correlation with metabolic tumor volume (MTV). Materials and Methods: This retrospective study included 50 patients with histopathologically confirmed colorectal adenocarcinoma and liver metastases who underwent both PET-CT and liver MRI (including DWI at b=50, 400, 800 s/mm²) within 30 days. Synthetic DWI images at b=1000, 1500, and 2000 s/mm² were generated.

J Radiat Res Imaging, 2026, Volume 4, Issue 1, p1-9 | DOI: 10.46439/radiation.4.012
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