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Paraneoplastic autoimmune neurologic disorders associated with thymoma
Raffaele Iorio1, Vanda A Lennon2
1Neurology Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy.
Handbook of Clinical Neurology
|March 17, 2024
Summary
Neural autoantibody testing aids thymoma diagnosis and management of associated autoimmune neurologic disorders like myasthenia gravis. Prompt recognition and multidisciplinary care are crucial for patient outcomes.
Area of Science:
- Neurology
- Immunology
- Oncology
Background:
- Thymoma frequently co-occurs with paraneoplastic neurologic diseases.
- Neural autoantibodies are key diagnostic biomarkers for thymoma-associated autoimmune complications.
- Commonly associated disorders include myasthenia gravis, peripheral nerve hyperexcitability, dysautonomia, and encephalitis.
Approach:
- Review of diagnostic utility of neural autoantibody testing.
- Emphasis on screening patients with specific neurologic disorders for thymoma.
- Discussion of treatment strategies including immunotherapy and thymoma management.
Key Points:
- Muscle striational antigen and nicotinic acetylcholine receptor antibodies are prevalent biomarkers.
- Screening for thymoma is recommended for patients with these neurologic disorders.
- Neurologic symptoms may worsen with thymoma recurrence after surgery.
Conclusions:
- Prompt diagnosis of paraneoplastic neurologic disorders is critical.
- Effective management requires a multidisciplinary approach involving neurology, immunology, and oncology.
- Treatment of thymoma and immunotherapy can improve outcomes for associated neurologic conditions.
Keywords:
Checkpoint inhibitor therapyImmune-related adverse eventsNervous systemNeural autoantibodiesNeurologic autoimmunityNeuromuscular junctionThymusMore Related Videos
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