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Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla
Published on: February 19, 2021
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Defining the course of tumefactive multiple sclerosis: A large retrospective multicentre study
Maria Di Gregorio1,2, Valentina Liliana Adriana Torri Clerici3, Giuseppe Fenu4,5
1Clinica Neurologica, Dipartimento di Medicina e Chirurgia, Università degli Studi di Perugia, Perugia, Italy.
European Journal of Neurology
|December 11, 2020
Summary
Tumefactive multiple sclerosis (TuMS) presents unique diagnostic challenges. Key prognostic factors for disability include older age at onset, multiple tumefactive demyelinating lesions (TDLs), and infiltrative TDL patterns.
Area of Science:
- Neurology
- Neuroimmunology
- Radiology
Background:
- Tumefactive multiple sclerosis (TuMS) is a rare and challenging form of MS.
- It presents with large demyelinating lesions that can mimic tumors.
- Early diagnosis and understanding prognostic factors are crucial for patient management.
Purpose of the Study:
- To describe the clinical characteristics of TuMS.
- To identify prognostic factors influencing disability progression in TuMS patients.
- To inform diagnostic and therapeutic strategies for TuMS.
Main Methods:
- A multicentre retrospective study.
- Inclusion of 102 patients with TuMS.
- Collection of demographic, clinical, MRI, laboratory, and treatment data.
Main Results:
- TuMS predominantly affects young women (female:male ratio 2.4:1).
- Onset often involves multiple functional systems and TDLs, frequently with an infiltrative MRI pattern.
- Independent risk factors for disability (EDSS ≥3) include older age at onset, multiple TDLs, and infiltrative TDLs.
Conclusions:
- TuMS management is complex due to its distinct features.
- Further large-scale prospective studies are needed to refine treatment algorithms.
- Identifying prognostic factors aids in tailoring patient care and predicting outcomes.

