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STROKE-PCA TERRITORY

Neurology

STROKE-PCA TERRITORY

1. The PCA supplies the upper brainstem, posterior-inferior surface of the temporal lobe & visual cortex. Symptoms:

2. Contralateral homonymous hemianopia - with medial occipital lesions

3. Anton syndrome - when bilateral PCAs, may have denial of cortical blindness

4. Prosopagnosia - can't read faces

5. Palinopsia - abnormal recurring visual imagery

6. Transcortical sensory aphasia - can't understand written or spoken language, can repeat

7. CN III & IV palsies - the PCA supplies these cranial nerves via interpeduncular branches

8. Weber syndrome - occulomotor palsy & contralateral hemiplegia


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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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