Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition

Advances in Rectum and Pelvis MRI

Oral

Body

Monday, 11 May 2026

Hall 1A

08:20 - 10:10

Moderators: Mami Iima & Eric Sigmund

Session Number: 301-02

No CME/CE Credit

Similar Sessions

This session includes presentations covering the use of MRI in staging rectal cancer and pelvic imaging, such as quantitative MRI, AI to improve image quality, and diagnosis and prediction of outcome in rectal cancer.

Skill Level: Intermediate

08:20		301-02-001. Correction of Susceptibility Induced Distortions in Diffusion MRI from Neuro to Uro Cornelius Eichner, Shihan Qiu, Radu Miron, Yahang Li, Nirmal Janardhanan, Bryan Clifford, Mahmoud Mostapha, Mariappan Nadar, Omar Darwish, Thorsten Feiweier Cancer Therapy Imaging, Varian, Siemens Healthineers AG, Forchheim, Germany Impact: Distortion correction enhances anatomical accuracy in diffusion MRI, thereby improving the reliability of image interpretation and quantitative metrics. This work enables inline correction across neuro, head/neck, and pelvic regions, supporting radiotherapy planning, biomarker evaluation, and tractography in clinical workflows.
08:31		301-02-002. The Role of DCE-MRI in Distinguishing Metastatic from Non-Metastatic Lymph Nodes in Rectal Cancer Wen-jie Fan, Yan Chen, Yunzhu Wu, Xiao-chun Meng, Shen-ping Yu The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China Impact: This study highlights DCE-MRI’s potential in distinguishing metastatic from non-metastatic lymph nodes (5-9 mm) in rectal cancer, supporting personalized and accurate management for those rectal patients who may need to achieve neoadjuvant therapy.
08:42		301-02-003. Improving MRI Accuracy After Immunotherapy-based Total Neoadjuvant Therapy in Rectal Cancer: Role of a DWI-Adjusted Scoring S Dandan Li, Tong Tong, Tingdan Hu, Yanfen Cui Fudan University Shanghai Cancer Center, Shanghai, China Impact: This study refines MRI interpretation after immunotherapy-based TNT, enhancing accuracy and reducing overstaging. The DWI-adjusted scoring system provides a practical framework for guiding organ-preserving management and sets the stage for redefining post-immunotherapy imaging criteria in rectal cancer.
08:53		301-02-004. Exploratory Study on Predictive Value of MR Cytometry for Rectal Cancer Histological Differentiation Qing Zhao, Diwei Shi, Hongxia Zhong, Zhuo Shi, Lin Li, Yueluan Jiang, Thorsten Feiweier, Yilan Ji, Fan Liu, Hua Guo, Junzhong Xu, Hongmei Zhang National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China Impact: MR cytometry incorporating transcytolemmal water exchange significantly improves diagnostic performance in grading histological differentiation rectal cancer, offering quantitative microstructural insights beyond conventional ADC metrics.
09:04		301-02-005. Microstructural evaluation of rectal cancer surgical specimens using high-resolution diffusion MRI and histology correlation Ana Fouto, Mireia Castillo-Martin, Shermann Moreira, Noam Shemesh, Laura Fernandez, Hasti Calá, Nuno Couto, Ignacio Herrando, Stephanie Nougaret, Raluca Popita, Jorge Brito, Susana Ouro, Miguel Chambel, Nikos Papanikolau, Amjad Parvaiz, Richard Heald, Ines Santiago, Andrada Ianus Algarve Biomedical Center, Faro, Portugal Impact: This ex-vivo study of rectal cancer surgical specimens shows that advanced diffusion MRI can successfully differentiate post-therapy tumor from fibrosis and healthy rectal wall layers, supporting the role of dMRI in the staging and restaging of rectal cancer patients.
09:15		301-02-006. Radiologic, endoscopic, and pathologic responses to immunotherapy-based neoadjuvant chemoradiotherapy in rectal cancer Gengyun Miao Zhongshan Hospital, Shanghai, China Impact: This study identifies arterial-phase mucosal linear enhancement as a novel MRI biomarker for predicting tumor complete response after immunotherapy-based neoadjuvant therapy, improving preoperative assessment accuracy and supporting individualized watch-and-wait management in locally advanced rectal cancer.
09:26		301-02-007. MRI Imaging Findings of Protruding Rectal Mucosal Prolapse Syndrome yuping Bai, lixin LI, Duo Yang Department of Magnetic Resonance, Lanzhou, China Impact: This study identifies specific MRI features of Protruding Rectal Mucosal Prolapse Syndrome (RMPS), enabling its reliable differentiation from rectal cancer and preventing unnecessary invasive procedures.
09:37		301-02-008. In-vivo detection and treatment response assessment of rectal cancer using Field Cycling Imaging AMNAH ALAMRI, Nicholas Senn, Leslie Samuel, Rosalind Mitchell-Hay, David Lurie, George Ramsay, Lionel Broche King Abdulaziz University, Jeddah, Saudi Arabia Impact: This study introduces Field-Cycling Imaging (FCI) as a novel technique for in-vivo assessment of rectal cancer. By capturing R₁dispersion changes linked to tissue microstructure, FCI has potential to offer a sensitive biomarker for treatment response, supporting personalised treatment strategies.
09:48		301-02-009. Guided Discussion Speaker TBA