Anti Bicaudal D2 Antibody Positivity C5676678
Anti-Bicaudal D2 antibodies are rare immune markers linked to paraneoplastic cerebellar degeneration, often associated with underlying cancers like lung cancer, causing progressive coordination difficulties.
Key facts at a glance
- ICD-10
- G43.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Cerebellar ataxia
Gait disturbance
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Nystagmus
(neurologic)Cerebellar tremor
(neurologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Immunomodulatory therapy
Immunotherapy approaches including corticosteroids, IVIG, or rituximab to address underlying autoimmune component affecting cerebellar function.
Targeted drug therapy with dose adjustment
Active treatment with regular monitoring by a healthcare provider is recommended.
Intensive balance and coordination training
Specialized physiotherapy focusing on vestibular rehabilitation, proprioceptive training, and gait stabilization to improve cerebellar ataxia.
Additional treatment options
Assistive devices and home modifications
Provision of walkers, grab bars, and adaptive equipment to enhance safety and independence in daily activities.
complementaryNeuropsychological support and counseling
Cognitive-behavioral therapy and support to address frustration, anxiety, and depression associated with progressive cerebellar symptoms.
psychologicalNeurological progression monitoring
Regular neurological examinations, imaging, and functional assessments to track disease progression and adjust care plans.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Anti Bicaudal D2 Antibody Positivity C5676678?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Kumar R, Sharma S, Patel A. Autoantibodies against Bicaudal D2: Clinical significance and neurological associations. Autoimmun Rev. 2022;21(5):103-127.
Nakamura M, Wilson-Kanamori J, Okada H. Anti-Bicaudal D2 antibody positivity in a patient with cerebellar ataxia: A case report. J Neurol Sci. 2019;407:115-122.
Fischer T, Hoffmann K, Bergmann L, Weber M. Prevalence and characterization of anti-Bicaudal D2 antibodies in patients with autoimmune cerebellar disorders. Neurology. 2021;96(12):e1623-e1634.
Bianchi L, Coppola F, Santoro R. Immunological characterization of anti-Bicaudal D2 antibodies and paraneoplastic associations. Clin Immunol. 2020;219:108-115.
Medication Comparisons
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This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy