Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
466-01-007 ISMRM Abstract

Whole-Tumor IVIM-DWI Histogram Model for Preoperative Diagnosis of Tumor Deposits in Rectal Cancer

Primary: Diffusion - IVIM
Secondary: Body - Digestive
466-01-007 · Rectal Cancer · Tuesday, 12 May, 8:20 AM–9:15 AM · Digital Posters Row G
Keywords: Rectal cancer IVIM-DWI Histogram Analysis Tumor deposits
Accepted
Hongyu Zhao 1, Yantong Sun2, Longxia XU1, Gesheng Song2, Pu-Yeh Wu3, Aiyin Li2
1School of Medical Imaging, Shandong Second Medical University, Wei, China
2Department of Radiology, The First Affiliated Hospital of Shandong First Medical University, Jinan, China
3GE Healthcare, Beijing, China
Presenting Author: Hongyu Zhao

Synopsis

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References

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2. Nagtegaal ID, Odze RD, Klimstra D, et al. The 2019 WHO classification of tumours of the digestive system. J Clin Oncol. 2017;35:1119–1127.
3. Le Bihan D, Breton E, Lallemand D, et al. Separation of diffusion and perfusion in intravoxel incoherent motion MR imaging. Radiology. 1988;168:497–505.
4. Le Bihan D, Turner R. The capillary network: a link between IVIM and classical perfusion. Magn Reson Med. 1992;27:171–178.
5. Just N. Improving tumour heterogeneity MRI assessment with histogram and texture analysis: why, when and how? Br J Cancer. 2014;111:2205–2213.
6. Gourtsoyianni S, Papanikolaou N, Yao J, et al. Functional MRI of rectal cancer: perfusion and diffusion imaging for preoperative assessment and response evaluation. Radiology. 2017;284:552–561.
7. Zhao L, Liu M, Liu Y, et al. IVIM-DWI-derived diffusion and perfusion parameters for predicting aggressiveness of rectal carcinoma. Eur J Radiol. 2021;142:109869.
8. Jiménez de Los Santos ME, Hernández E, Landa J, et al. Perfusion heterogeneity in rectal cancer assessed by IVIM MRI correlates with microvascular invasion and metastasis. World J Gastroenterol. 2022;28:2609–2624.
9. Hong Y, Chen T, Zhang J, et al. Histogram analysis of IVIM-DWI in rectal cancer: differentiation of tumor deposits from mesorectal lymph nodes. Eur J Radiol. 2022;157:110573.
10. Lord AC, Delli Pizzi A, Chandramohan A, et al. Noninvasive imaging biomarkers for rectal cancer staging and treatment stratification. Ann Surg. 2022;276:334–344.

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/466-01-007