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Cerebellar Regional Dissection for Molecular Analysis
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Paraneoplastic cerebellar and brainstem disorders.

Justin R Abbatemarco1, Christian A Vedeler2, John E Greenlee3

  • 1Mellen Center for Multiple Sclerosis Treatment and Research, Neurological Institute, Cleveland Clinic Foundation, Cleveland, OH, United States.

Handbook of Clinical Neurology
|March 17, 2024
PubMed
Summary
This summary is machine-generated.

Prompt recognition of paraneoplastic brain disorders is crucial to prevent irreversible neurologic damage. These immune-mediated conditions, linked to specific antibodies and cancers, require timely diagnosis and treatment.

Keywords:
Autoimmune neurologyOpsoclonus-myoclonus-ataxia syndromeParaneoplastic brainstem encephalitisParaneoplastic cerebellar degenerationParaneoplastic neurologic syndromesTreatment

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Area of Science:

  • Neurology
  • Immunology
  • Oncology

Background:

  • Paraneoplastic cerebellar and brainstem disorders are a diverse group of neurological conditions.
  • These disorders necessitate prompt recognition and treatment to prevent irreversible neurological injury.
  • Understanding the specific antibody associations (e.g., Yo, Tr/DNER, Ma2, Hu) is key for diagnosis.

Approach:

  • Reviewing the clinical presentation and diagnostic markers of various paraneoplastic neurological syndromes.
  • Differentiating these immune-mediated disorders from other neurological conditions like infections, drug toxicities, and neurodegenerative diseases.
  • Highlighting the current gaps in understanding pathogenesis and established treatment protocols.

Key Points:

  • Paraneoplastic cerebellar degeneration is often associated with Yo antibodies in breast or ovarian cancer.
  • Tr (DNER) antibodies can cause cerebellar syndromes in Hodgkin lymphoma patients.
  • Opsoclonus-myoclonus-ataxia syndrome and Ma2/Hu antibody-associated syndromes present distinct neurological dysfunctions.

Conclusions:

  • Despite being known for years, the pathogenesis of these immune-mediated neurological disorders remains unclear.
  • Optimal treatment strategies for paraneoplastic cerebellar and brainstem disorders are yet to be established.
  • Further research is needed to elucidate mechanisms and develop effective therapeutic interventions.