Webinar
Keydiag webinar replay: new diagnostic criteria for multiple sclerosis
Published on 27 November 2025
On November 25, at 7 p.m., Keydiag had the pleasure of organizing a webinar in collaboration with Professor Cotton, dedicated to a topic of vital importance to radiologists:
New diagnostic criteria for multiple sclerosis (McDonald 2024): what every radiologist needs to know.
On the agenda:
- The optic nerve, the fifth location
- Susceptibility imaging, a sequence that is becoming mandatory in initial MS assessments
- Sign of the central vein, a remarkable additional criterion
- Sign of the paramagnetic ring, marker of chronic inflammation
The speakers :
- Professor Cotton: renowned specialist in medical imaging applied to multiple sclerosis (MS), practicing at the Pierre Wertheimer Institute (Lyon South Hospital) and head of the imaging department at the Hospices Civils de Lyon.
- Dr Frédérique Réty : Medical Director, Keydiag
Webinar format:
- 30 minutes of discussion with an expert to understand the new diagnostic criteria for MS (McDonald 2024)
- 15 minutes of guided practice directly in Keydiag, to illustrate its use in concrete terms through specific, interactive, and immediately actionable examples.
Access the replay:
Were you unable to attend the live session?
Good news: the replay is now available