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Updated: Aug 12, 2026

Rat Model of Widespread Cerebral Cortical Demyelination Induced by an Intracerebral Injection of Pro-Inflammatory Cytokines
Published on: September 21, 2021
[Borderlines types of multiple sclerosis]
1Clinique Neurologique, Hôpital Civil, Strasbourg. jerome.de.seze@chru-strasbourg.fr
Abstract:
Multiple sclerosis (MS) has been described for more than a century, but its cause remains unknown. Numerous reports have been written concerning borderline types of the disease. In the present paper we present the pseudo-tumoral variants of MS (so called Balo's, Marburg's and Schilder's forms), demographic variants (young and elderly onset of MS), related disorders (neuromyelitis optica and acute demyelinating encephalomyelitis). We also discuss the differential diagnosis with other auto-immune diseases.
Insights
Multiple sclerosis (MS) presents with diverse variants, including pseudo-tumoral and demographic types. This review explores these forms and related disorders, aiding differential diagnosis with other autoimmune conditions.
Area of Science:
- Neurology
- Immunology
- Pathology
Background:
- Multiple sclerosis (MS) is a chronic neurological disease with an unknown etiology.
- Various atypical presentations and related conditions complicate MS diagnosis.
- Understanding MS variants is crucial for accurate patient management.
Purpose of the Study:
- To review and delineate pseudo-tumoral variants of MS, including Balo's, Marburg's, and Schilder's forms.
- To discuss demographic variants such as young and elderly onset MS.
- To explore differential diagnoses with related neurological disorders and autoimmune diseases.
Main Methods:
- Literature review of pseudo-tumoral and demographic variants of MS.
- Analysis of related neurological disorders: neuromyelitis optica and acute demyelinating encephalomyelitis.
- Discussion of differential diagnostic criteria for MS and other autoimmune conditions.
Main Results:
- Detailed description of Balo's, Marburg's, and Schilder's MS variants.
- Characterization of early-onset and late-onset MS.
- Identification of key differentiating features between MS and conditions like neuromyelitis optica.
Conclusions:
- MS exhibits a broad spectrum of clinical presentations beyond typical forms.
- Recognizing pseudo-tumoral and demographic variants improves diagnostic accuracy.
- Distinguishing MS from related autoimmune disorders is essential for appropriate treatment strategies.
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