Coexistence of myasthenia gravis and amyotrophic lateral sclerosis in a Bosnian male: an unusual clinical presentation

Renata Hodzic 1, Nermina Piric 1, Sanela Zukic 1, Amela Cickusic 2

1 Department of Neurology, University Clinical Centre Tuzla, Bosnia and Herzegovina; 2 Department of Physical Medicine and Rehabilitation, University Clinical Centre Tuzla, Bosnia and Herzegovina

DOI 10.36185/2532-1900-044

Purpose. Myasthenia gravis (MG) and amyotrophic lateral sclerosis (ALS) are two different diseases. The coexistence of both of them is extremely rare and represents a diagnostic challenge which requires thoughtful interpretation of clinical characteristics. 

Case report. We present the case of a 46-year-old Bosnian male who developed ALS five months after MG. Diagnosis of MG was based on elevated titers of anti-AchR antibodies, positive edrophonium test, and decremental responses on a repetitive nerve stimulation test while the diagnosis of ALS was based on clinical and neurophysiological findings: upper motor neuron signs in the lumbar region, lower motor neuron signs in the bulbar and cervical regions, generalized fasciculations and muscle atrophy and progressive asymetric muscle weakness together with active and chronic denervation in the cervical and lumbosacral region determined by electromyoneurography.

Conclusions. The coexistence of MG and ALS is rare and request an adequate interpretation of clinical symptoms. The relationship between these two diseases in as interesting phenomen to present. 

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