CNS lesions: compare mechanisms

Concept cards distinguish groups of mechanisms. No MRI slice, synthetic lesion or patient data is displayed.

Read the cards and compare them with the clinical context and sources. Numbers are reading guides without quantitative weights.

Concept cards distinguish groups of mechanisms. No MRI slice, synthetic lesion or patient data is displayed.

Describe before attributing; an arterial stenosis or CSF abnormality alone does not prove vasculitis.

Interpret the findings together and investigate competing explanations when data do not agree.

The links below lead to existing MICA courses. Authentic atlas images retain their own sources.

This is a conceptual educational aid, not an authentic examination, a complete diagnostic rule or an individual prescription. See the cited sources and full French statement of limitations.

Describe before attributing; an arterial stenosis or CSF abnormality alone does not prove vasculitis.

• Pascarella R et al. ESO. European Stroke Organisation (ESO) guidelines on Primary Angiitis of the Central Nervous System (PACNS). 2023. ↗
• Montalban X et al.. Diagnosis of multiple sclerosis: 2024 revisions of the McDonald criteria. 2025. ↗
• Wingerchuk DM et al.. International consensus diagnostic criteria for neuromyelitis optica spectrum disorders. 2015. ↗
• Banwell B et al.. Diagnosis of myelin oligodendrocyte glycoprotein antibody-associated disease: International MOGAD Panel proposed criteria. 2023. ↗

Documentary review: 2026-10-15