MRI restaging of rectal cancer: The RAC (Response–Anal canal–CRM) analysis joint consensus guidelines of the GRERCAR and GRECCAR groups

Nougaret, Stéphanie; Rousset, Pascal; Lambregts, Doenja M. J.; Maas, Monique; Gormly, Kirsten; Lucidarme, O.; Brunelle, Serge; Milot, Laurent; Arrivé, Lionel; Salut, Celine; Pilleul, F.; Hordonneau, Constance; Baudin, G.; Soyer, Philippe; Brun, Vanessa; Laurent, V.; Savoye‐Collet, Céline; Petkovska, Iva; Gérard, Jean-Pierre; Cotte, Eddy; Rouanet, Philippe; Catalano, Onofrio A.; Denost, Quentin; Tan, Regina Beets; Frulio, Nora; Hoeffel, Christine

doi:10.1016/j.diii.2023.02.002

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2023

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“…Of note, while the baseline MRI protocol does not require a microenema, it is crucial to use a microenema in the restaging MRI protocol to minimize gas-related artifacts, consequently enhancing the quality of DWI. It is recommended to administer a microenema 15 min before the scan [ 33 , 34 ].…”

Section: Restaging Mri Protocolmentioning

confidence: 99%

Advances in MRI-Based Assessment of Rectal Cancer Post-Neoadjuvant Therapy: A Comprehensive Review

Miranda,

Causa Andrieu,

Nincevic

et al. 2023

JCM

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Rectal cancer presents significant diagnostic and therapeutic challenges, with neoadjuvant therapy playing a pivotal role in improving resectability and patient outcomes. MRI serves as a critical tool in assessing treatment response. However, differentiating viable tumor tissue from therapy-induced changes on MRI remains a complex task. In this comprehensive review, we explore treatment options for rectal cancer based on resectability status, focusing on the role of MRI in guiding therapeutic decisions. We delve into the nuances of MRI-based evaluation of treatment response following neoadjuvant therapy, paying particular attention to emerging techniques like radiomics. Drawing from our insights based on the literature, we provide essential recommendations for post-neoadjuvant therapy management of rectal cancer, all within the context of MRI-based findings.

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Section: Restaging Mri Protocolmentioning

confidence: 99%