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). (citation needed) The term coarctation is another synonym, but is commonly used only in the context of aortic coarctation.
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BACKGROUND AND PURPOSE: Previous studies quantifying moderate and severe carotid stenosis by direct millimeter measures on CT angiography (CTA) did not consider how prevalence and gender may influence classification cutoff values. MATERIALS AND METHODS: Three hundred nineteen carotid arteries were evaluated in consecutive patients with known or suspected carotid artery disease.
Spinal stenosis is a condition in which the spinal column narrows and starts compressing the spinal cord. This process is typically gradual. If the narrowing is minimal, no symptoms will occur.
The subglottis is just below the vocal cords at the bottom of the voice box (larynx). It is the narrowest part of a child’s airway. Subglottic stenosis is a narrowing of the subglottic airway. Doctors do not know how many children are affected by subglottic stenosis, but we see around 200 children with the condition each year at Great Ormond Street Hospital (GOSH).
Idiopathic subglottic stenosis (ISS) refers to narrowing of the upper trachea of unknown cause. The disease is rare, with an estimated incidence of 1 per 400,000 person-years. ISS accounts for approximately 19 percent of patients with laryngotracheal stenosis, with the majority having an identifiable cause such as an iatrogenic injury, neck or throat trauma, or an inflammatory connective.
Adult Supraglottic Stenosis: Etiology and Management Page 132 Review ABSTRACT Supraglottic stenosis is a rare entity, which is more common in females, and trauma is the most common cause for it. Dysphagia, dysphonia, dyspnea and stridor are the common symptoms of supraglottic stenosis. Non-symptomatic cases can be managed by observation, and symp-.
Ninety-five percent of the time a history of previous prolonged intubation, followed by a 4- to 8-week time course of progressive airway obstruction, is associated with stenosis. Careful physical examination will document abnormalities of the cartilaginous glottis in over 80% of these patients.