Recurrent Miller Fisher: A Case Report Along With a Literature and an EMG/NCS Review

Author:

Morena Jonathan1ORCID,Elsheikh Bakri1,Hoyle J. Chad1

Affiliation:

1. Department of Neurology, The Ohio State University, Columbus, OH, USA

Abstract

MFS has been reported to recur in 10-12% of patients. There may be a genetic component related to HLA-DR2. Anti-GAD antibodies can be present in MFS along with anti-GQ1b. Common EMG/NCS associations consist of a predominantly axonal, sensory polyneuropathy and absent H reflexes. A 32-year-old female with a history of hypothyroidism presented to our institution twice with symptoms of diplopia, lower extremity weakness and distal paresthesias occurring a year apart. She had ophthalmoplegia, reduced reflexes, and ataxia on exam. CSF showed a borderline elevated protein of 47 and white blood cells <3. She was positive for anti-GQ1b both times. Her anti-GAD65 antibody was elevated during both admissions. EMG/NCS on her first admission revealed comparatively reduced sensory nerve action potentials (SNAPs) and a normal blink reflex. Her SNAPs improved on the second admission, however, the EMG was performed only 2 days after the onset of her symptoms, limiting some early findings that may have not matured electrophysiologically. She was treated with IVIG on both occasions with rapid recovery within 5 days. This case highlights the fact that MFS can be recurrent. It also provides further evidence that anti-GAD antibodies may be associated with MFS. Reported findings of the blink reflex in MFS are diverse and further data is needed to determine if certain findings are more predominant than others. Treatment typically consists of IVIG, though steroids may also be considered for recurrence. Prognosis is generally favorable, regardless of treatment.

Publisher

SAGE Publications

Subject

Neurology (clinical)

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Autoimmune encephalitis in a resource-limited public health setting: a case series analysis;Arquivos de Neuro-Psiquiatria;2024-02

2. Peripheral Neuropathies;Clues for Differential Diagnosis of Neuromuscular Disorders;2023

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