1-Infarction less than 1 cm in diameter.
2-If lacunar infarction is increased in number with association of ischemic changes in the white matter this leads to formation of a disease known as sub cortical arteriosclerotic encephalopathy.
3-Sub cortical arteriosclerotic encephalopathy disease characterized by diffuse hypo density with multiple lacunar infarction in the white matter and occurs more common in patient with hypertension and diabetes.
4-If you see an infarction with multiple hyper dense spots, looks for the type of infarction if it is acute or chronic, if it is acute, these spots will be hemorrhage, if it is chronic, so these spots will be due to calcification.
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Nonenhanced CT of the head shows a hypoattenuating lesion in the subcortical white matter. Note the characteristic scalloped lateral margin. |
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Lacunar infarction left basal ganglia |
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Lacunar infarction in T1&T2 |
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