Autoantibody Profiles Of Myasthenia Gravis, Thymoma, and Lambert-Eaton Myasthenic Syndrome

Summary

May 2012

In summary, autoantibody profiles aid the diagnosis of myasthenia gravis and Lambert-Eaton syndrome. However, characteristic clinical and electrophysiological features are also required for the diagnosis. Seronegativity does not exclude the diagnosis. An algorithmic approach helps identify those patients most at risk for thymoma or carcinoma.

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• Introduction
• Serological Diagnostic Algorithms
• 'Hot Topic' Points
• What are MG and LES?
• What are MG and LES?
• MG: Clinical Diagnosis
• MG: Neoplastic Accompaniments
• LES: Clinical Diagnosis
• LES: Electromyography (EMG) Findings
• LES: Neoplastic Accompaniments
• Autoantibodies Aiding MG Diagnosis
• Autoantibodies Aiding MG Diagnosis
• Single Assay Detects AChR Modulating and AChR Blocking Antibody
• Serum AChR Modulating Antibody Values and Interpretation
• Reasons to Discontinue Testing for AChR Blocking Antibody
• Striational Antibodies
• Autoantibodies Detected in MG Patients With Thymoma
• Autoantibodies Aiding the Diagnosis of LES
• Autoantibodies Aiding the Diagnosis of LES
• MGEA/83370 Myasthenia Gravis (MG) Evaluation, Adult Algorithm
• MGEP/83371 Myasthenia Gravis (MG) Evaluation, Pediatric Algorithm
• MGETH/83372 Myasthenia Gravis (MG) Evaluation, Thymoma Algorithm
• MGLES/83369 Myasthenia Gravis (MG)/Lambert-Eaton Syndrome (LES) Algorithm
• Summary
• Questions?