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Headache and Ophthalmoparesis: Case Report of an "Atypical" Incomplete Miller-Fisher Syndrome

31-may-2018 | Revista: Headache

Moreno-Ajona D (1), Irimia P (1), Fernández-Matarrubia M (1)

(1) Department of Neurology, Clínica Universidad de Navarra, Pamplona, Spain.


OBJECTIVE:

To expand the differential diagnosis of headache and ophthalmoparesis by describing a case report in which anti-GQ1b was demonstrated to be the cause.

BACKGROUND:

Anti-GQ1b antibody syndrome refers to a clinical spectrum of conditions that share common mechanisms and overlapping manifestations, including the Miller-Fisher syndrome, pharyngeal-cervical-brachial weakness, and Bickerstaff brainstem encephalitis. Rare atypical cases presenting as acute ophthalmoparesis (AO) without ataxia or areflexia have been described. Headache is a rare condition in these disorders.

METHODS:

A 49-year-old woman with no history of headaches began experiencing an acute severe bilateral throbbing headache associated with nausea and photophobia. Five days later, she developed constant binocular horizontal diplopia.

RESULTS:

Bilateral paresis of both sixth nerves was noted. Her ocular fundi, tendon reflexes, and other findings of the physical exam were normal. In addition, both a brain MRI performed with gadolinium and a lumbar puncture yielded normal results. Serum anti-GQ1b IgG was found to be positive. Her symptoms resolved completely following treatment with immunoglobulins (0.4 g/kg/day for 5 days).

CONCLUSIONS:

This is the first reported case of AO related to anti-GQ1b antibodies presenting with headache as its initial symptom. The presence of anti-GQ1b antibodies should be determined in patients with headache and AO of unknown origin. Immunoglobulins could hasten the resolution of symptoms in these patients.

CITA DEL ARTÍCULO  Headache. 2018 May;58(5):746-749. doi: 10.1111/head.13320

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