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STROKE-LACUNAR INFARCT

Neurology

STROKE-LACUNAR INFARCT

Occlusive arteriolar or small artery disease leading to small lesions in the putamen, pons, thalamus, caudate, internal capsule:

1. 23% with preceding TIA & strong correlation with HTN

2. Pure hemiplegia (with no sensory dysfunction)

3. Pure hemisensory stroke (with no motor dysfunction)

4. Sensory motor stroke

5. Ataxic hemiparesis (ataxia ipsilateral to hemiparesis)

6. Clumsy hand-dysarthria syndrome

7. Multiple bilateral frontal lobe lacunae can result in pseudobulbar palsy-emotional lability with uninhibited crying or laughter and UMN signs (brisk jaw jerk, hyper-reflexia, and Babinski sign)


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REFERENCES

1. Wilkinson, I. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press.
2. Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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