Teaching Video NeuroImage: Acquired or congenital gaze-evoked nystagmus?
نویسندگان
چکیده
منابع مشابه
Teaching video NeuroImage: acquired or congenital gaze-evoked nystagmus?
Matthew J. Thurtell, MBBS Konrad P. Weber, MD G. Michael Halmagyi, MD A 40-year-old female migraineur reported intermittent unsteadiness with headache. On examination, she had gaze-evoked horizontal-torsional nystagmus that was also evident during pursuit (video). Nystagmus recordings showed increasing-velocity slow phases typical for congenital nystagmus (CN) (figure 1). A relative subsequentl...
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DEFINITIONS Gaze-evoked Gaze-evoked nystagmus (GEN) is a jerk nystagmus, not present in primary position, elicited by attempted maintenance of eccentric eye position, GEN may have a linear or a decreasing-velocity exponential slow phase; the latter has sometimes been referred to as gaze-paretic nystagmus but, unless it is due to a muscle or nerve paresis, the GEN terminology is preferred. Disti...
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A 43-year-old woman experienced a worsening of her usual headache. As a right hemifacial hypoesthesia had appeared, the patient underwent a brain MRI that revealed a giant cavernoma localized at the left meso-diencephalic region (figure, A and B). After the operation, an involuntary ocular oscillation known as see-saw nystagmus developed (video on the Neurology® Web site at www.neurology.org). ...
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ژورنال
عنوان ژورنال: Neurology
سال: 2008
ISSN: 0028-3878,1526-632X
DOI: 10.1212/01.wnl.0000313842.11229.b1