Home
Radiology Guides Anatomy Physio & Path Medicine Physics Contact
STROKE-LATERAL MEDULLARY SYNDROME

Neurology

STROKE-LATERAL MEDULLARY SYNDROME

A vertebral stroke may cause lateral medullary syndrome (also called Wallenberg syndrome; occurs due to occlusion of vertebral a., PICA, superior/middle/inferior lateral medullary a.):

1. Nausea, vomiting, nystagmus - involvement of the vestibular nucleus.

2. Ipsilateral Horner's syndrome - due to involvement of the descending sympathetic fibers.

3. Ipsilateral palate and vocal cord weakness - involvement of the nucleus ambiguus.

4. Ipsilateral cerebellar signs and symptoms - due to involvement of the inferior cerebellar peduncle and cerebellum.

5. "Crossed" sensory loss - ipsilateral face and contralateral body, due to involvement of the trigeminal nucleus and tract and spinothalamic tract, respectively.


Avatar
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

+ Home