STO

Last uploaded: November 28, 2017
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Id http://www.semanticweb.org/ontologies/STO.owl#OWLClass_a677556c_c238_4ab5_81b3_0dc6c553fdfe
http://www.semanticweb.org/ontologies/STO.owl#OWLClass_a677556c_c238_4ab5_81b3_0dc6c553fdfe
Preferred Name

Middle cereberal artery infarction syndrome
Type http://www.w3.org/2002/07/owl#Class

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label
Middle cereberal artery infarction syndrome
prefLabel
Middle cereberal artery infarction syndrome
synonyms
Sylvian artery
Middle cereberal artery infarction symptom
Middle cereberal artery infarction syndromes
syndromes of middle cereberal artery infarction
MCA infarction symptom
syndrome of middle cereberal artery infarction
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references
Heiss, S., Brainin, M., & Heiss, W. D. (Eds.). (2009). Textbook of stroke medicine. Cambridge University Press.
isDefinedBy
The middle cerebral artery (MCA) is also designated the Sylvian artery, from Jacques Dubois, known as Jacobus Sylvius (1489–1555), a linguist and anatomist in Paris. The artery is subdivided into the M1 segment, from which start the deep perforating lenticulostriate arteries, the M2 segment, corresponding to the segment after the bifurcation into superior and inferior divisions, and the M3 segment, including the insular part. The M4 segments, the leptomeningeal arteries, arise from the M3 segments and are named orbitofrontal, prefrontal, precentral, central sulcus, anterior parietal, posterior parietal, angular and temporal arteries, with important variations in their territories. The MCA territory is the one most frequently affected by acute strokes. MCA territory infarcts can be subtle or a devastating clinical syndrome, depending on the site of the occlusion, the extent of ischemia, the etiology, and the collateral arterial network. As collateral networks are highly variable, an occlusion of the same artery at the same place may lead to quite variable severity of the stroke and of prognosis. Large infarcts are defined as involvement of two of the three MCA territories (deep, superior and inferior divisions) and “malignant MCA stroke” as complete or near complete MCA territory infarction with ensuing mass effect from brain edema.
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