Evidence map›Paper›PMID 39143248›Full record

ArticleEuropean radiology2025

Pathological prognostic factors of rectal cancer based on diffusion-weighted imaging, intravoxel incoherent motion, and diffusion kurtosis imaging.

Mi Zhou, Mengyuan Chen, Mingfang Luo, Meining Chen, Hongyun Huang

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Article in European radiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

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12citing papers in PubMed
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3 · Its place in the literature

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12 citing papers in PubMed.

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5 · Who and what money

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5 authors.

Mi Zhou *Department of Radiology, Sichuan Provincial Orthopaedics Hospital, 610041, Chengdu, China.
Mengyuan Chen *Department of Radiology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, 610072, Chengdu, China.
Mingfang LuoDepartment of Radiology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, 610072, Chengdu, China.
Meining ChenDepartment of MR Scientific Marketing, Siemens Healthineers, 200135, Shanghai, China.
Hongyun HuangDepartment of Radiology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, 610072, Chengdu, China. HHY730418@163.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesTo explore diffusion-weighted imaging (DWI), intravoxel incoherent motion (IVIM), and diffusion kurtosis imaging (DKI) for assessing pathological prognostic factors in patients with rectal cancer. MATERIALS AND

methodsA total of 162 patients (105 males; mean age of 61.8 ± 13.1 years old) scheduled to undergo radical surgery were enrolled in this prospective study. The pathological prognostic factors included histological differentiation, lymph node metastasis (LNM), and extramural vascular invasion (EMVI). The DWI, IVIM, and DKI parameters were obtained and correlated with prognostic factors using univariable and multivariable logistic regression. Their assessment value was evaluated using receiver operating characteristic (ROC) curve analysis.

resultsMultivariable logistic regression analyses showed that higher mean kurtosis (MK) (odds ratio (OR) = 194.931, p < 0.001) and lower apparent diffusion coefficient (ADC) (OR = 0.077, p = 0.025) were independently associated with poorer differentiation tumors. Higher perfusion fraction (f) (OR = 575.707, p = 0.023) and higher MK (OR = 173.559, p < 0.001) were independently associated with LNMs. Higher f (OR = 1036.116, p = 0.024), higher MK (OR = 253.629, p < 0.001), lower mean diffusivity (MD) (OR = 0.125, p = 0.038), and lower ADC (OR = 0.094, p = 0.022) were independently associated with EMVI. The area under the ROC curve (AUC) of MK for histological differentiation was significantly higher than ADC (0.771 vs. 0.638, p = 0.035). The AUC of MK for LNM positivity was higher than f (0.770 vs. 0.656, p = 0.048). The AUC of MK combined with MD (0.790) was the highest among f (0.663), MK (0.779), MD (0.617), and ADC (0.610) in assessing EMVI.

conclusionThe DKI parameters may be used as imaging biomarkers to assess pathological prognostic factors of rectal cancer before surgery. CLINICAL RELEVANCE STATEMENT: Diffusion kurtosis imaging (DKI) parameters, particularly mean kurtosis (MK), are promising biomarkers for assessing histological differentiation, lymph node metastasis, and extramural vascular invasion of rectal cancer. These findings suggest DKI's potential in the preoperative assessment of rectal cancer. KEY POINTS: Mean kurtosis outperformed the apparent diffusion coefficient in assessing histological differentiation in resectable rectal cancer. Perfusion fraction and mean kurtosis are independent indicators for assessing lymph node metastasis in rectal cancer. Mean kurtosis and mean diffusivity demonstrated superior accuracy in assessing extramural vascular invasion.

Indexed as

Diffusion Magnetic Resonance ImagingRectal NeoplasmsAdultAgedFemaleHumansImage Interpretation, Computer-AssistedLymphatic MetastasisMaleMiddle AgedMotionPrognosisProspective StudiesROC CurveDiffusion magnetic resonance imagingLymphatic metastasisNeoplasm gradingPrognosisRectal neoplasms

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.