Probable Seronegative Myasthenia Gravis With Initially Negative Diagnostic Testing: A Case Report

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04 Nov 2026 0 comments

Myasthenia gravis (MG) is an autoimmune disorder of the neuromuscular junction characterized by fluctuating, fatigable weakness. Diagnosis can be particularly challenging when symptoms are initially non-specific and standard serological and neurophysiological investigations are unrevealing. We report the case of a 27-year-old woman who initially developed progressive fatigue and exercise intolerance, followed by fluctuating left eyelid ptosis that worsened with exertion and improved with rest....