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Transient high-intensity signal of heterotopia on DWI in an epilepsy patient
  1. Suk Yun Kang1,
  2. You Mie Han2,
  3. Keehoon Choi1,
  4. Sung Hee Hwang1
  1. 1Department of Neurology, Hallym University College of Medicine, Seoul, Republic of Korea
  2. 2Department of Nuclear Medicine, Hallym University College of Medicine, Seoul, Republic of Korea
  1. Correspondence to Dr Suk Yun Kang, Department of Neurology, Kang-Nam Sacred Heart Hospital, Hallym University College of Medicine 948-1 Daerim-dong, Yeongdeungpo-gu, Seoul, 150-950, Republic of Korea; sukyunkang{at}hanmail.net

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A 48-year-old woman was admitted for the evaluation of fluctuating alertness and severe headache lasting for 1 day. There was no family or patient history suggesting a risk of epilepsy, including febrile convulsion. Her daughter reported that the patient had intermittent bouts of staring and was unable to communicate properly. Her neurological examination was normal.

Brain fluid attenuated inversion recovery, and diffusion-weighted images (DWI) revealed linear, high-intensity signal in the subcortical white matter in the …

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