wallenberg syndrome powerpoint pica syndrome powerpoint

WS: Acute ischemic infarct due to occlusion of vessels supplying lateral medulla oblongata (intracranial portion of vertebral a. followed by PICA) Characterized by: vertigo, falling towards side of lesion, diplopia…Ģ1 PICA territory Inferior occipital surface of cerebellum.

Signs of a lateral medullary syndrome (Wallenberg syndrome) may coexist in ~30%. Most common: Vertigo, nausea and truncal ataxia. Inferior cerebellar vermis Lateral medullaġ9 Epidemiology Typically considered the most common territory involved in cerebellar infarction diameter), but a small number have diffuse. pituitary corticortrope microadenomas (lt10mm in. Most patients have ACTH-secreting anterior. Lateral medullary syndrome (also called Wallenberg's syndrome and posterior inferior cerebellar artery syndrome) is a disease in which the patient has difficulty with swallowing or speaking or both owing to one or more patches of dead tissue (known as an infarct) caused by interrupted blood supply to parts of the brain.

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 Other clinical symptoms and signs are swallowing difficulties (Dysphagia)2, slurred speech, ataxia, facial pain, vertigo, nystagmus. It is the most common type of Cushing syndrome, and accounts for about 70 of the syndrome. Presentation on theme: 'Posterior inferior cerebellar artery (PICA)'- Presentation transcript:

Wallenberg syndrome powerpoint pica syndrome powerpoint