Endocrinol Metab.  2012 Jun;27(2):155-158. 10.3803/EnM.2012.27.2.155.

Visual Seizure: A Reversible Complication of Non-Ketotic Hyperglycemia

  • 1Department of Neurology, Yeungnam University College of Medicine, Daegu, Korea. minsupark@ynu.ac.kr


A 65-year-old man with diabetes mellitus was presented with left visual aura, followed by a versive seizure, each lasting approximately 3 minutes. Neurological examination showed an intermittent left homonymous hemianopsia. Brain magnetic resonance imaging (MRI) showed right occipital lobe lesion, with cytotoxic edema. Blood glucose was 593 mg/dL and serum osmolarity was 309 mOsm/kg. The seizures were controlled by normalization of blood sugar and short-term anticonvulsant, and the lesions were resolved in a follow-up MRI. We report a case of visual seizures associated with non-ketotic hyperglycemia.


Diabetes mellitus; Nonketotic hyperglycemia; Visual seizure
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