September 23, 2026 · Abdominal radiology (New York) · DOI: 10.1007/s00261-026-05798-2

A radiology trainee's guide to perianal fistulas

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This article serves as a comprehensive guide for radiology trainees on the evaluation of perianal fistulas using MRI, addressing the challenges of interpreting complex anatomy and imaging techniques. The authors aim to enhance understanding of key imaging features, anatomical landmarks, and the Parks classification system, while providing a structured framework for accurate reporting and communication with surgical teams. Ultimately, the review seeks to improve the consistency and quality of MRI assessments in clinical practice.

Benjamin Q Spangler, Shreeti H Patel, Sally Midani, Alana Brown, Mark D Ehrhart, Jonathan W Revels, Dana C Galvan

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