Use MRI Criteria for Multiple Sclerosis Diagnosis to guide the working diagnosis and next step; let the main risk or management issue drive escalation, treatment choice, and follow-up.

Even if the imaging looks absolutely textbook for multiple sclerosis, a formal diagnosis strictly requires the presence of a corresponding, typical clinical event alongside those radiographic changes.; If there are no enhancing lesions present, spotting a brand-new T2 lesion on a follow-up scan at the six-month mark will also satisfy the requirement.; Satisfy the dissemination in time rule on a single scan if that MRI simultaneously demonstrates both active, gadolinium-enhancing lesions and old, non-enhancing T2 lesions.; Key management decisions should stay tied to the clinical pattern and follow-up needs.; Key management decisions should stay tied to the clinical pattern and follow-up needs.