Signs of a lateral medullary syndrome (Wallenberg syndrome) may coexist in ~30%. Most common: Vertigo, nausea and truncal ataxia. PICA Stroke: Lateral Medullary Syndrome, aka Wallenbergs Syndrome - Areas affected What is the presentation PICA Horners VISTA 1) Ipsilateral: Horners. The Weigert stain involves the treatment of nervous tissue with potassium dichromate to preserve myelin.
Inferior cerebellar vermis Lateral medullaġ9 Epidemiology Typically considered the most common territory involved in cerebellar infarction (aka lateral medullary syndrome, PICA syndrome).
It was named after Adolf Wallenberg (1862-1949), who was a renowned Jewish neurologist and neuroanatomist who practiced in Germany. Posterior inferior cerebellar artery (PICA) Territory acute ischemic infarct Hidayatullah Hamidi, Radiology department, FMIC ĥ6 years old female presented with vertigo, nausea, vomiting and headache for last 3 days.ģ TECHNIQUE Brain MRI before and after IV administration of gadolinium.ĩ FINDINGS: Abnormal T2WI and FLAIR hyper intense and T1WI hypointenses focal areas involving left PICA territory (postero inferior aspect of left cerrebelar hemisphere, left inferior cerebellar vermis and left side of medulla oblongata) Diffusion restriction: Increased signal in DWI and drop of signal in ADC map No post contrast enhancementġ5 Time of flight MRA Non visualization of left vertebral artery, left anterior spinal artery and left PICA representing complete obstruction/thrombosis.ġ6 CONCLUSION: Non visualization of left vertebral artery, left anterior spinal artery and left PICA representing complete thrombosis resulting in acute ischemic infarction at the left PICA territoryġ8 PICA occlusion May cause infarction of Posterior inferior cerebellum Lateral medullary syndrome (LMS), also called Wallenberg syndrome or posterior inferior cerebellar artery syndrome results from a vascular event in the lateral part of the medulla oblongata. Presentation on theme: "Posterior inferior cerebellar artery (PICA)"- Presentation transcript:
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