Stenosis
Abnormal narrowing of a blood vessel or other tubular organ or structure / From Wikipedia, the free encyclopedia
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Stenosis (from Ancient Greek στενός (stenós) 'narrow') is the abnormal narrowing of a blood vessel or other tubular organ or structure such as foramina and canals. It is also sometimes called a stricture (as in urethral stricture).[3]
Stenosis | |
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Other names | Stenoses |
CT scan of a bronchial stenosis (arrow) that resulted from tracheobronchial injury | |
Pronunciation |
Stricture as a term is usually used when narrowing is caused by contraction of smooth muscle (e.g. achalasia, prinzmetal angina); stenosis is usually used when narrowing is caused by lesion that reduces the space of lumen (e.g. atherosclerosis).[4] The term coarctation is another synonym,[5] but is commonly used only in the context of aortic coarctation.[6][7]
Restenosis is the recurrence of stenosis after a procedure.[8]