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Induction and Diverse Assessment Indicators of Experimental Autoimmune Encephalomyelitis
Published on: September 9, 2022
[Progressive multifocal leukoencephalopathy and rheumatic disease]
1Schwerpunkt für Rheumatologie und Klinische Immunologie, Medizinische Klinik und Poliklinik II der Universität Würzburg, Klinikstrasse 2, 97070 Würzburg, Deutschland. kneitz_c@klinik.unik-wuerzburg.de
Abstract:
Progressive multifocal leukoencephalopathy (PML) is a rare but often fatal demyelinating disease of the central nervous system induced by the JC virus. It mainly occurs in immunocompromised patients. Growing interest in rheumatology has arisen from reports of patients with rheumatic diseases suffering from PML. A direct relationship to rheumatologic disease itself, for example systemic lupus erythematosus, or to immunosuppressive therapy, is debated. Therefore, PML should be included in the differential diagnosis of non-specific neurologic symptoms and, if suspected, relevant diagnostic procedures (MRI, CSF analysis including virus-specific PCR, and possibly brain biopsy) need to be performed.
Insights
Progressive multifocal leukoencephalopathy (PML), a rare CNS disease caused by JC virus, affects immunocompromised patients. PML is increasingly reported in rheumatology patients, prompting diagnostic consideration.
Area of Science:
- Neurology
- Virology
- Rheumatology
Context:
- Progressive multifocal leukoencephalopathy (PML) is a rare, fatal demyelinating CNS disease caused by JC virus, primarily in immunocompromised individuals.
- Increasing reports link PML to rheumatic diseases, raising questions about direct causation versus immunosuppressive therapy effects.
Purpose:
- To highlight the importance of considering PML in the differential diagnosis of neurological symptoms in rheumatology patients.
- To emphasize the need for prompt diagnostic evaluation when PML is suspected.
Summary:
- PML, a JC virus-induced demyelinating disease, affects immunocompromised individuals.
- Its occurrence in patients with rheumatic diseases, including systemic lupus erythematosus, is noted.
- The exact relationship between rheumatologic conditions, immunosuppressive treatments, and PML remains under investigation.
Impact:
- PML should be considered in the differential diagnosis of non-specific neurological symptoms in patients with rheumatic diseases.
- Diagnostic procedures like MRI, CSF analysis (PCR), and brain biopsy are crucial for suspected PML cases.
- This underscores the interdisciplinary approach needed for managing complex neurological complications in rheumatology.
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