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Posterior circulation infarct

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Medical condition

Posterior circulation infarct

Diagram of the arterial circulation at the base of the brain (inferior view). Posterior circulation represented by bottom half of diagram.
Specialty	Neurology

Posterior circulation infarct (POCI) is a type ofcerebral infarction affecting theposterior circulation supplying one side of thebrain.

Posterior circulation stroke syndrome (POCS) refers to the symptoms of a patient who clinically appears to have had a posterior circulation infarct, but who has not yet had any diagnostic imaging (e.g.CT Scan) to confirm the diagnosis.

It can cause the following symptoms:

Cranial nerve palsy ANDcontralateral motor/sensory defect
Bilateral motor or sensory defect
Eye movement problems (e.g.nystagmus)
Cerebellar dysfunction
Isolatedhomonymous hemianopia
Vertigo

It has also been associated withdeafness.^[1]

References

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^Lee H (2008)."Sudden deafness related to posterior circulation infarction in the territory of the nonanterior inferior cerebellar artery: frequency, origin, and vascular topographical pattern".Eur. Neurol.59 (6):302–6.doi:10.1159/000121421.PMID 18408371.

External links

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Classification	D ICD-9-CM:433.0,433.2

Cerebrovascular diseases includingstroke

Ischaemic stroke

Brain	Anterior cerebral artery syndrome Middle cerebral artery syndrome Posterior cerebral artery syndrome Amaurosis fugax Moyamoya disease Dejerine–Roussy syndrome Watershed stroke Lacunar stroke
Brain stem	Brainstem stroke syndrome Medulla Medial medullary syndrome Lateral medullary syndrome Pons Medial pontine syndrome /Foville's Lateral pontine syndrome /Millard-Gubler Midbrain Weber's syndrome Benedikt syndrome Claude's syndrome
Cerebellum	Cerebellar stroke syndrome
Extracranial arteries	Carotid artery stenosis precerebral Anterior spinal artery syndrome Vertebrobasilar insufficiency Subclavian steal syndrome
Classification	Brain ischemia Cerebral infarction Classification Transient ischemic attack Total anterior circulation infarct Partial anterior circulation infarct
Other	CADASIL Binswanger's disease Transient global amnesia