A varix (: varices) is an abnormally dilated blood vessel with a tortuous course. Varices usually occur in the venous system, but may also occur in arterial or lymphatic vessels. Varices can occur in various locations throughout the body including the legs, esophagus, stomach, among others. They are the result of increased venous pressure, typically due to increased peripheral pressure or portal hypertension.
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A varix (: varices) is an abnormally dilated blood vessel with a tortuous course. Varices usually occur in the venous system, but may also occur in arterial or lymphatic vessels. Varices can occur in various locations throughout the body including the legs, esophagus, stomach, among others. They are the result of increased venous pressure, typically due to increased peripheral pressure or portal hypertension.
Varicose veins are the most common type of varices. They are the enlargement of superficial veins in the legs with increased pressure due to various risk factors. Approximately 20-30% of adults in the U.S. have varicose veins and more often occurs in women and the elderly. Gastrointestinal varices are another prevalent type, including esophageal and gastric varices, and are a health concern due to risk for future hemorrhage.
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