• Stephanie Nougaret, Kartik Jhaveri, Zahra Kassam, Chandana Lall, and David H Kim.
• Montpellier Cancer Research Institute, Montpellier, France. stephanienougaret@free.fr.
• Abdom Radiol (NY). 2019 Nov 1; 44 (11): 3536-3548.

AbstractIn recent years, rectal MRI has become a central diagnostic tool in rectal cancer staging. Indeed, rectal MR has the ability to accurately evaluate a number of important findings that may impact patient management, including distance of the tumor to the mesorectal fascia, presence of extramural vascular invasion (EMVI), presence of lymph nodes, and involvement of the peritoneum/anterior peritoneal reflection. Many of these findings are difficult to assess in nonexpert hands. In this review, we present a practical approach for radiologists to provide high-quality interpretations at initial baseline exams, based on recent guidelines from the Society of Abdominal Radiology, Rectal and Anal Cancer Disease Focused Panel. Practical pearls and pitfalls are discussed, focusing on optimization of technique including, patient preparation and protocol recommendations, interpretation, and essentials of reporting.

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