Journal of Crohn's & colitis
Cure8 research brief
Why This Matters
Accurate imaging of perianal fistulas guides treatment decisions (medical vs surgical/drainage) and planning. If non-contrast MRI performs well, it could be used when contrast is unsafe or to speed up scans while still detecting most clinically important fistulas and abscesses.
Who Should Pay Attention
Clinicians who image or manage perianal Crohn's disease (radiologists, gastroenterologists, colorectal surgeons), researchers studying imaging protocols, and adult Crohn's patients who may need pelvic MRI—especially those who cannot receive gadolinium contrast.
Study Snapshot
Story typeResearch paper
Evidence typeResearch paper
Source depthJournal abstract
What To Know
This retrospective study of 145 Crohn's disease patients evaluated MRI reading sessions with and without post-contrast T1-weighted images. NC-MRI (T2, DWI, pre-contrast T1) detected most index fistulas with high sensitivity and specificity versus CE-MRI, and identified most abscesses though with lower sensitivity for some complex features.
CE-MRI added value for assessing complex perianal fistulizing disease, particularly secondary tracts and detailed tract length. Practical point The authors conclude NC-MRI is a reasonable alternative when contrast is contraindicated or to shorten exams, but CE-MRI remains preferable when detailed characterization of complex perianal disease is needed.
Keep In Mind
This summary is based on the article abstract (comparative clinical study, retrospective). The study assesses NC-MRI against CE-MRI as the reference standard; it does not replace clinical judgment. Findings reflect group-level performance; individual imaging decisions should consider local expertise and the suspected complexity of perianal disease.
Source Details
Review the original publication for the complete reporting, methods, and context.
Research paper
Evidence type derived from source or registry metadata.
PublicationJournal of Crohn's & colitis
AuthorsSara Lewis, Amandeep Ahluwalia, Dimitra Landis +7 more
InstitutionDepartment of Diagnostic, Molecular and Interventional Radiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States.
Study typeJournal article, comparative study
Indexed viaPubMed
Source typeResearch paper
PublishedNov 7, 2026, 12:00 AM
Content availableJournal abstract
This Cure8 brief is based on source text from the linked article. Cure8 is informational only and is not a substitute for professional medical advice, diagnosis, or treatment.
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