Journal
CUREUS JOURNAL OF MEDICAL SCIENCE
Volume 14, Issue 3, Pages -Publisher
CUREUS INC
DOI: 10.7759/cureus.22918
Keywords
paresthesia; intravenous immunoglobulin (ivig); influenza vaccine; neuropathy; multifocal motor
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Multifocal motor neuropathy (MMN) is a peripheral nerve disorder characterized by progressive weakness, mainly in the distal limbs, with minimal or no sensory impairment. This condition is associated with the presence of antibodies, primarily IgM, against gangliosides, particularly GM1 ganglioside. We present a case of MMN in a patient who developed symptoms of paresthesia and limb weakness shortly after receiving the influenza vaccine and was found to have high levels of anti-GM1 IgM antibodies. Initial treatment with IVIG was unsuccessful, but plasma exchange was effective in achieving remission.
Multifocal motor neuropathy (MMN) is a peripheral nerve disorder characterized by progressive, predominantly distal, asymmetric limb weakness with minimal or no sensory impairment, and characterized by the presence of antibodies (30-80% cases), mostly IgM, to the gangliosides, mainly ganglioside monosialic acid (GM1). We describe a case of MMN in a patient who developed symptoms of paresthesia and extremity weakness a few days after receiving the influenza vaccine and was found to have high titers of anti-GM1 IgM antibody levels. He was initially treated with intravenous immune globulin (IVIG) which is one of the mainstays of treatment but relapsed and was then successfully treated with plasma exchange.
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