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

MG: Clinical Diagnosis

May 2012

What about clinical diagnosis of myasthenia gravis? Well characteristic findings are weakness and fatiguability that are improved by rest or anticholinesterase medication. EMG demonstrates decrement in compound muscle action potentials during repetitive motor nerve stimulation. Chest CT or MRI may reveal thymic enlargement or a mass and the mass may represent thymoma or thymic carcinoma.

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MG: Clinical Diagnosis

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Jump to section:

• 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?