ACR Appropriateness Criteria® Plexopathy.

摘要: MRI without and with contrast is the most accurate imaging method to determine whether a process intrinsic or extrinsic nerve of brachial lumbosacral plexus. However, there are no Current Procedural Terminology codes correspond studies lumbar plexus discretely. This assessment uses "MRI plexus" as independent entities given that acquisition for respective differs in sequences planes compared those routine neck, chest, spine, pelvic MRI, yet acknowledges potential variability ordering practices across institutions. In patients unable undergo CT offers next highest level anatomic evaluation. oncologic patients, PET/CT can identify extent tumor involvement be beneficial differentiate radiation plexitis from recurrence but provides limited resolution itself. The American College Radiology Appropriateness Criteria evidence-based guidelines specific clinical conditions reviewed annually by multidisciplinary expert panel. guideline development revision include an extensive analysis current medical literature peer-reviewed journals application well-established methodologies (RAND/UCLA Method Grading Recommendations Assessment, Development, Evaluation GRADE) rate appropriateness treatment procedures scenarios. instances where evidence lacking equivocal, opinion may supplement available recommend treatment.