Ophthalmoplegia due to Miller Fisher syndrome in a patient with myasthenia gravis

Roberta Brusa, Irene Faravelli, Delia Gagliardi, Francesca Magri, Filippo Cogiamanian, Domenica Saccomanno, Claudia Cinnante, Eleonora Mauri, Elena Abati, Nereo Bresolin, Stefania Corti, Giacomo Pietro Comi

Research output: Contribution to journalArticle

Abstract

Here, we describe a 79-year-old man, admitted to our unit for worsening diplopia and fatigue, started a few weeks after an episode of bronchitis and flu vaccination. Past medical history includes myasthenia gravis (MG), well-controlled by Pyridostigmine, Azathioprine, and Prednisone. During the first days, the patient developed progressive ocular movement abnormalities up to complete external ophthalmoplegia, severe limb and gait ataxia, and mild dysarthria. Deep tendon reflexes were absent in lower limbs. Since not all the symptoms were explainable with the previous diagnosis of myasthenia gravis, other etiologies were investigated. Brain MRI and cerebrospinal fluid analysis were normal. Electromyography showed a pattern of predominantly sensory multiple radiculoneuritis. Suspecting Miller Fisher syndrome (MFS), the patient was treated with plasmapheresis with subsequent clinical improvement. Antibodies against GQ1b turned out to be positive. MFS is an immune-mediated neuropathy presenting with ophthalmoplegia, ataxia, and areflexia. Even if only a few cases of MFS overlapping with MG have been described so far, the coexistence of two different autoimmune disorders can occur. It is always important to evaluate possible differential diagnosis even in case of known compatible diseases, especially when some clinical features seem atypical.

Original languageEnglish
Article number823
JournalFrontiers in Neurology
Volume10
Issue numberJUL
DOIs
Publication statusPublished - Jan 1 2019

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Miller Fisher Syndrome
Ophthalmoplegia
Myasthenia Gravis
Ataxia
Gait Ataxia
Eye Abnormalities
Pyridostigmine Bromide
Dysarthria
Abnormal Reflexes
Diplopia
Plasmapheresis
Bronchitis
Azathioprine
Electromyography
Eye Movements
Prednisone
Fatigue
Cerebrospinal Fluid
Lower Extremity
Vaccination

Keywords

  • Autoimmune diseases
  • GQ1b
  • Miller Fisher syndrome
  • Myasthenia gravis
  • Ophthalmoplegia

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

Cite this

Ophthalmoplegia due to Miller Fisher syndrome in a patient with myasthenia gravis. / Brusa, Roberta; Faravelli, Irene; Gagliardi, Delia; Magri, Francesca; Cogiamanian, Filippo; Saccomanno, Domenica; Cinnante, Claudia; Mauri, Eleonora; Abati, Elena; Bresolin, Nereo; Corti, Stefania; Comi, Giacomo Pietro.

In: Frontiers in Neurology, Vol. 10, No. JUL, 823, 01.01.2019.

Research output: Contribution to journalArticle

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