Teaching Video NeuroImages: Periodic alternating nystagmus evident only in darkness
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منابع مشابه
Teaching Video NeuroImages: periodic alternating nystagmus evident only in darkness.
An 81-year-old man with retinitis pigmentosa had severe, slowly progressive visual loss that began at age 20. Intermittent nystagmus was observed for 1 decade. Examination revealed severe retinal atrophy and periodic alternating nystagmus (PAN) that occurred only in darkness (video on the Neurology® Web site at www.neurology.org). PAN refers to horizontal nystagmus that periodically reverses di...
متن کاملTeaching video neuroimages: see-saw nystagmus.
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). ...
متن کاملAcquired Periodic Alternating Nystagmus
대한신경과학회지 22권 5호 548 Periodic alternating nystagmus (PAN) is a rare type of spontaneous horizontal nystagmus, characterized by periodical reverse of direction with a transition period in between. PAN can occur in both congenital and acquired forms. We report a patient with acquired PAN associated with meningoencephalitis. To our knowledge, only a case of congenital PAN has been previously report...
متن کاملPeriodic alternating nystagmus in humans with albinism.
PURPOSE To quantify the spatial and temporal nature of congenital periodic alternating nystagmus (PAN) and to test the hypothesis that PAN results from a temporal shift in the null zone. METHODS Twenty-five subjects with oculocutaneous albinism (16 tyrosinase negative and 9 tyrosinase positive) and 7 with ocular albinism (5 x-linked and 2 autosomal recessive) participated in the study. Using ...
متن کاملAnti-GAD antibodies and periodic alternating nystagmus.
BACKGROUND Autoantibodies directed against glutamic acid decarboxylase (GAD-Ab) have recently been described in a few patients with progressive cerebellar ataxia, suggesting an autoimmune physiopathologic mechanism. OBJECTIVE To determine the exact role of GAD-Ab and gamma-aminobutyric acid (GABA)-ergic neurotransmission in the pathogenesis of cerebellar ataxia. DESIGN Case report. SETTIN...
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ژورنال
عنوان ژورنال: Neurology
سال: 2013
ISSN: 0028-3878,1526-632X
DOI: 10.1212/wnl.0b013e31827f07ab