Abstract

  Few cases of co-existing chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) and seropositive myasthenia gravis (MG) were reported. However, there is no reports on co-existence of CIDP with seronegative MG or on the responses to treatment of both diseases. We report two cases with diagnosis of CIDP and MG. The first case is 38-year-old African American female with initial diagnosis of CIDP and later onset bulbar symptoms. She was diagnosed with seronegative MG by clinical suspicion and single fiber electromyography (SFEMG). The other case is a 65-year-old British male who initially diagnosed as seropositive MG then he developed paresthesia and difficult walking a few months later. CIDP was confirmed by electrodiagnostic study and albuminocytologic dissociation in cerebrospinal fluid analysis. The first case underscores the importance of performing SFEMG on cranial muscles in cases of CIDP with cranial nerve involvement even if serological testing for MG is negative. In both cases, bulbar symptoms were more responsive to immunomodulatory treatment than limb symptoms.

Keywords: Chronic Inflammatory Demyelinating Polyradiculoneuropathy; Immunomodulatory Treatment; Myasthenia Gravis; Single Fiber EMG; Treatment Response

References

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Citation

Citation: Nan Jiang and Mohamed Kazamel. “Concomitant Chronic Inflammatory Demyelinating Polyradiculoneuropathy and Myasthenia Gravis-A Two-Case Report". Acta Scientific Neurology 3.9 (2020): 117-120.

Copyright

Copyright: © 2020 Nan Jiang and Mohamed Kazamel. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.