ArticlePolish journal of radiology2026
Intravoxel incoherent motion diffusion-weighted imaging in the staging of rectal non-mucinous adenocarcinoma.
Article in Polish journal of radiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Purpose: To investigate the role of intravoxel incoherent motion diffusion-weighted imaging (IVIM-DWI) in the prediction of histological differentiation and local invasion (T stage) of rectal non-mucinous adenocarcinoma for appropriate treatment planning. Material and methods: Pre-operative magnetic resonance imaging (MRI) and IVIM-DWI examinations were prospectively performed in patients with rectal non-mucinous adenocarcinoma. A total of 36 patients with a mean age of 61 ± 8 years (range: 26-85 years) were included. Size, signal intensities and enhancement pattern of tumors, lymphadenopathy, serosal involvement, adjacent organ invasion, and metastasis were noted. IVIM-DWI parameters were estimated. Relationships between IVIM-DWI parameters and histopathological results were analyzed using Mann-Whitney Results: In our study, a total of 36 patients were enrolled. There was a negative relationship between tumor differentiation and perfusion ( Conclusions: Aggressive tumors with low histological differentiation and metastatic lymphadenopathy exhibit lower diffusion and perfusion values. As a perfusion indicator, f provides valuable information regarding tumor differentiation. IVIM-DWI can be used as an adjunctive modality to routine abdominal MRI in the local staging of rectal carcinoma.
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