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Simple visual hallucinations and epilepsy
Practical Neurology ( IF 2.4 ) Pub Date : 2020-05-22 , DOI: 10.1136/practneurol-2020-002613
Mark Manford 1
Affiliation  

Jasvir Virdee and Susan Mollan describe a patient presenting with photopsia who had an unusual ophthalmological diagnosis. Positive and/or negative visual phenomena may relate to pathology anywhere from the eye to the visual association cortex; thus, neurologists and ophthalmologists share responsibility for diagnosing and treating these symptoms. The authors describe how they arrived at an ophthalmological diagnosis for their patient’s photopsia; here I briefly discuss its neurological aspects, especially relating to epilepsy. The occipital lobes are the smallest lobes of the brain, approximately 13% of brain volume. Even so, occipital epilepsy still seems relatively uncommon, especially compared with that from the temporal lobes (20% of brain volume). Panayiotopoulos found occipital epilepsy to comprise only 4.6% of a large series of childhood epilepsy1 and case series of patients undergoing epilepsy surgery for refractory epilepsy have only very small numbers.2–4 The most recent International League Against Epilepsy classification of seizure types, unhelpfully for this discussion, avoids talking about lobes, perhaps recognising the problems of trying to pin down clinical patterns anatomically.5 It was Gowers who first described in detail seizures with visual aura.6 Gordon Holmes described patients with occipital lesions who experienced vivid, coloured hallucinations localised to a …

中文翻译:

简单的视觉幻觉和癫痫

Jasvir Virdee 和 Susan Mollan 描述了一名患有视力异常的患者,他的眼科诊断异常。积极和/或消极的视觉现象可能与从眼睛到视觉关联皮层的任何地方的病理有关;因此,神经科医生和眼科医生共同负责诊断和治疗这些症状。作者描述了他们是如何对患者的视力做出眼科诊断的;在这里,我简要讨论其神经学方面,尤其是与癫痫有关的方面。枕叶是大脑中最小的叶,约占脑容量的 13%。即便如此,枕部癫痫似乎仍然相对不常见,尤其是与颞叶(占脑容量的 20%)相比。Panayiotopoulos 发现枕部癫痫仅包括 4 名。
更新日期:2020-05-22
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