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Some vascular anomalies are congenital, others appear within weeks to years after birth, and others are acquired by trauma or during pregnancy. Inherited vascular anomalies are also described and often present with a number of lesions that increase with age. Vascular anomalies can also be a part of a syndrome. [citation needed]
It is similar to, though distinct from, the less common Parkes Weber syndrome. The classical triad of Klippel–Trenaunay syndrome consists of: [3] vascular malformations of the capillary, venous and lymphatic vessels; varicosities of unusual distribution, particularly the lateral venous anomaly; and
CLOVES syndrome is a rare overgrowth syndrome with complex vascular anomalies. CLOVES syndrome affects people with various symptoms, ranging from mild fatty soft-tissue tumors to vascular malformations encompassing the spine or internal organs.
Sclerotherapy can be used to treat vascular malformations. [5] In CLOVES syndrome experimental medical therapy using PIK3CA inhibitor, BYL719 , has been reported to be effective to relieve pain and diminish the malformations.
An arteriovenous malformation (AVM) is an abnormal connection between arteries and veins, bypassing the capillary system. Usually congenital , this vascular anomaly is widely known because of its occurrence in the central nervous system (usually as a cerebral AVM ), but can appear anywhere in the body.
Parkes Weber syndrome (PWS) is a congenital disorder of the vascular system. It is an extremely rare condition, and its exact prevalence is unknown. [1] [2] [3] It is named after British dermatologist Frederick Parkes Weber, who first described the syndrome in 1907. [4] In the body, the vascular system consists of arteries, veins and capillaries.
Lesions lips, patient with hemorrhagic hereditary telangiectasia. Hereditary hemorrhagic telangiectasia (HHT), also known as Osler–Weber–Rendu disease and Osler–Weber–Rendu syndrome, is a rare autosomal dominant genetic disorder that leads to abnormal blood vessel formation in the skin, mucous membranes, and often in organs such as the lungs, liver, and brain.
Cutis marmorata telangiectatica congenita (CMTC) is a rare congenital vascular disorder that usually manifests in affecting the blood vessels of the skin. The condition was first recognized and described in 1922 by Cato van Lohuizen, [2] a Dutch pediatrician whose name was later adopted in the other common name used to describe the condition – Van Lohuizen syndrome.