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Amyotrophic lateral sclerosis and multiple sclerosis overlap: a case report.

Francesca Trojsi1, Anna Sagnelli, Giovanni Cirillo

  • 1Department of Neurology, Second University of Naples, 80138 Naples, Italy ; Magnetic Resonance Imaging Research Center SUN-FISM, Neurological Institute for Diagnosis and Care "Hermitage Capodimonte", 80131 Naples, Italy.

Case Reports in Medicine
|January 18, 2013
PubMed
Summary

This case report details a rare instance of amyotrophic lateral sclerosis (ALS) co-occurring with primary progressive multiple sclerosis (PPMS) in a young woman. The findings suggest a potential, though unclear, common immunological basis for these distinct neurological disorders.

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Area of Science:

  • Neurology
  • Immunology

Background:

  • Amyotrophic lateral sclerosis (ALS) and multiple sclerosis (MS) are distinct neurodegenerative and autoimmune disorders, respectively.
  • The co-occurrence of ALS and MS is exceptionally rare in clinical practice.
  • Understanding overlapping pathologies may offer insights into neuroinflammation and neurodegeneration.

Purpose of the Study:

  • To report a unique case of concurrent ALS and primary progressive MS (PPMS).
  • To investigate the clinical, neurophysiological, and radiological findings in a patient presenting with both conditions.
  • To discuss potential shared pathological mechanisms, particularly immunological dysfunction.

Main Methods:

  • Clinical examination and neurophysiological assessments to identify upper and lower motor neuron signs.
  • Magnetic Resonance Imaging (MRI) to detect brain lesions characteristic of MS.
  • Cerebrospinal fluid (CSF) analysis to identify inflammatory markers like immunoglobulin G (IgG) oligoclonal bands.

Main Results:

  • The patient presented with progressive quadriparesis, muscular atrophy, and bulbar signs, consistent with ALS.
  • MRI revealed periventricular and juxtacortical lesions, while CSF analysis showed IgG oligoclonal bands, indicative of PPMS.
  • The findings confirmed a rare overlap of ALS and PPMS in a single patient.

Conclusions:

  • This case highlights the possibility of concurrent ALS and PPMS, challenging typical diagnostic paradigms.
  • The unusual presentation prompts discussion about a potential common underlying immunological dysfunction, despite the unclear role of immunity in ALS.
  • Further research is warranted to explore shared etiological factors and immune system involvement in these devastating neurological diseases.