Cerebral cortical restricted diffusion

Last revised by Dr Yahya Baba on 14 Nov 2021

Cerebral cortical restricted diffusion or gyriform restricted diffusion refers to curvilinear hyperintense signal involving the cerebral cortex on DWI images with a corresponding low signal on ADC images.

Causes include:

Vascular thrombo-occlusive disease (most common) 1
Hemodynamic changes
Infections
Metabolic 
Others

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Cases and figures

  • Case 1: cortical venous thombosis
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  • Case 2: rabies encephalitis
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  • Case 3: Creutzfeldt-Jakob disease
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  • Case 4 : postictal changes
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  • Case 5: hepatic encephalopathy
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  • Case 6: hypoglycemic encephalopathy
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  • Case 7: hypoxic-ischemic encephalopathy
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