Abstract：
:The objective of this article has been to describe the presence of a sensory neuronopathy in a patient harbouring ataxia with oculomotor apraxia type 2 (AOA2). A 40 year-old woman, born to consanguineous parents, presented with ataxia, decreased vibration sense, areflexia, indifferent plantar responses, preserved muscle volume and strength, and oculomotor apraxia; elevated levels of serum alpha-fetoprotein and creatine-kinase were found. A homozygous missense mutation, causing a substitution of a molecule of arginine for histidine at the helicase domain of the senataxin protein, was found. Two electrophysiological studies were performed, in which decreased amplitudes of the sensory action potentials were followed some years later by an absence of sensory action potentials in the lower limbs, and increased latencies in the somatosensory evoked potentials. Motor nerve conduction velocities were normal, and electromyographic recordings did not show abnormalities. Taken together, these findings are suggestive of a progressive sensory neuronopathy. The patterns of neuromuscular disturbance in AOA2 have not been thoroughly defined; therefore, a sensory neuronopathy should be considered part of the spectrum of neuromuscular manifestations in this disease. Genetic analysis may be of help to diagnose cases with unusual neuromuscular characteristics, like the one presented here.
journal_name
J Neurol Scijournal_title
Journal of the neurological sciencesauthors
Gazulla J,Benavente I,López-Fraile IP,Tordesillas C,Modrego P,Alonso I,Pinto-Basto Jdoi
10.1016/j.jns.2010.09.004subject
Has Abstractpub_date
2010-11-15 00:00:00pages
118-20issue
1-2eissn
0022-510Xissn
1878-5883pii
S0022-510X(10)00440-5journal_volume
298pub_type
杂志文章abstract：:Intracerebral inoculation of mice with the MS strain of type 2 herpes simplex virus (HSV-2) causes a brief encephalitis associated with multifocal central nervous system demyelination. Many of the mice develop unilateral or bilateral impairment of the pupillary light reflex. We have examined the development of ocular ...
journal_title：Journal of the neurological sciences
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journal_title：Journal of the neurological sciences
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doi：10.1016/0022-510x(83)90147-8
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doi：10.1016/s0022-510x(99)00266-x
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journal_title：Journal of the neurological sciences
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pub_type： 杂志文章
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
doi：10.1016/j.jns.2013.11.006
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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pub_type： 杂志文章
doi：10.1016/j.jns.2018.08.024
更新日期：2018-11-15 00:00:00
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章,评审
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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更新日期：1985-11-01 00:00:00
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章,评审
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更新日期：1998-04-15 00:00:00
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journal_title：Journal of the neurological sciences
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更新日期：1997-05-01 00:00:00
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更新日期：2002-06-15 00:00:00
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journal_title：Journal of the neurological sciences
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doi：10.1016/j.jns.2004.11.029
更新日期：2005-03-15 00:00:00
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章
doi：10.1016/j.jns.2014.04.013
更新日期：2014-06-15 00:00:00
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journal_title：Journal of the neurological sciences
pub_type： 杂志文章,随机对照试验
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更新日期：2008-04-15 00:00:00
