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Stenosis

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	Stenosis
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	Topics Stenosis Topic Home A stenosis (pluralPlural Plural is a grammatical number, typically referring to more than one of the referent in the real world.... : stenoses; from Ancient GreekAncient Greek Ancient Greek refers to the dialects of the Hellenic language family from about 1100 B.C to 600 A.D., including during the h... st???s??, "narrowing") is an abnormal narrowing in a blood vesselBlood vessel The blood vessels are part of the circulatory system and function to transport blood throughout the body.... or other tubular organOrgan (anatomy) In biology, an organ is a group of tissues that perform a specific function or group of functions.... or structure. It is also sometimes called a "stricture" (as in urethral strictureUrethral stricture A urethral stricture is internal damage to the urethra caused by injury or disease such as urinary tract infections or other... ). Stenoses of the vascularBlood vessel The blood vessels are part of the circulatory system and function to transport blood throughout the body.... type are often associated with a noise resulting from turbulent flow over the narrowed blood vessel. This bruit can be made audible by a stethoscopeStethoscope Overview The stethoscope is an acoustic medical device for auscultation, i.e.... . Other, more reliable methods of diagnosing a stenosis are imaging methods including ultrasoundUltrasound Ultrasound is sound with a frequency greater than the upper limit of human hearing, this limit being approximately 20 kilohe... , Magnetic Resonance ImagingMagnetic resonance imaging Magnetic resonance imaging , formerly referred to as magnetic resonance tomography or nuclear magnetic resonance , ... /Magnetic Resonance AngiographyMagnetic Resonance Angiography Magnetic Resonance Angiography is the imaging of blood vessels using Magnetic Resonance Imaging.... , Computed TomographyComputed tomography Computed tomography , originally known as computed axial tomography and body section roentgenography, is a med... /CT-Angiography which combine anatomic imaging (i.e. the visible narrowing of a vessel) with the display of flow phenomena (visualization of the movement of the bodily fluid through the bodily structure). Causes atherosclerosisAtherosclerosis Atherosclerosis is a disease affecting the arterial blood vessel.... causes stenotic lesions in arteries. birth defects ischemiaIschemia In medicine, ischemia is a restriction in blood supply, generally due to factors in the blood vessels, with resultant da... infectionInfection An infection is the detrimental colonization of a host organism by a foreign species.... neoplasm inflammationInflammation Inflammation is the first response of the immune system to infection or irritation and may be referred to as the innate casc... iatrogenic, e.g. secondary to radiation therapyRadiation therapy Radiation therapy is the medical use of ionizing radiation as part of cancer treatment to control malignant cells .... Types The resulting syndrome depends on the structure affected. Examples of vascular stenotic lesions include: Intermittent claudicationIntermittent claudication Intermittent claudication is a cramping sensation in the legs that is present during exercise or walking and occurs as a res... (peripheral artery stenosis) Angina (coronary artery stenosis) Carotid artery stenosisCarotid artery stenosis Carotid artery stenosis is obstruction of the carotid artery, usually by atheroma.... which predispose to Renal artery stenosisRenal artery stenosis Renal artery stenosis is the narrowing of the renal artery.... Stenoses/strictures of other bodily structures/organs include: Pyloric stenosisPyloric stenosis Infantile pyloric stenosis is a not uncommon pediatric condition where there is a congenital narrowing of the pylorus.... (gastric outflow obstruction) Obstructive jaundice (biliary tract stenosis) Bowel obstructionBowel obstruction Summary Bowel obstruction is a mechanical blockage of the intestines, preventing the normal transit of the products of digestion.... PhimosisPhimosis Phimosis is a medical condition in which the foreskin of the penis of an uncircumcised male cannot be fully retracted.... HydrocephalusHydrocephalus Hydrocephalus is a condition in which abnormal accumulation of cerebrospinal fluid in the brain causes increased intracrania... Stenosing tenosynovitisStenosing tenosynovitis Overview Stenosing tenosynovitis is the progressive restriction of the sheath surrounding a tendon, causing inflammation.... Spinal stenosisSpinal stenosis Spinal stenosis is a medical condition where the spinal canal narrows and compresses the spinal cord and nerves.... Subglottic stenosisSubglottic stenosis Subglottic stenosis is a congenital or acquired narrowing of the subglottic airway.... (SGS) See also RestenosisRestenosis Restenosis literally means the reoccurrence of stenosis.... AtresiaAtresia Atresia is a condition in which a body orifice or passage in the body is abnormally closed or absent.... External links