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A varix (pl.: 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. [1] Examples of varices include: [citation needed] Varicose veins, large tortuous veins usually found on legs; Sublingual varices
Traditionally, varicose veins were investigated using imaging techniques only if there was a suspicion of deep venous insufficiency, if they were recurrent, or if they involved the saphenopopliteal junction. This practice is now less widely accepted. People with varicose veins should now be investigated using lower limbs venous ultrasonography.
The permeability and compressibility of the superficial vein system (SVS), the presence or absence of superficial insufficiency, and in which veins or vein segments; Which perforator veins are continent or insufficient; The presence or absence of shunts; Mapping the insufficient veins, flux direction, shunts, and perforators. [27] [nb 4]
Relation of arteries and veins to ureters, view from the back of a male (the ovarian veins substitute for the internal spermatic veins in females [1]) Ovarian vein syndrome is a rare (possibly not uncommon, certainly under-diagnosed) condition in which dilation of the ovarian vein compresses the ureter (the tube that brings the urine from the ...
Gastric varices are dilated submucosal veins in the lining of the stomach, which can be a life-threatening cause of bleeding in the upper gastrointestinal tract.They are most commonly found in patients with portal hypertension, or elevated pressure in the portal vein system, which may be a complication of cirrhosis.
Dilated submucosal veins are the most prominent histologic feature of esophageal varices. The expansion of the submucosa leads to elevation of the mucosa above the surrounding tissue, which is apparent during endoscopy and is a key diagnostic feature. Evidence of recent variceal hemorrhage includes necrosis and ulceration of the mucosa.
The eye examination findings of acute branch retinal vein occlusion include superficial hemorrhages, retinal edema, and often cotton-wool spots in a sector of retina drained by the affected vein. The obstructed vein is dilated and tortuous. The quadrant most commonly affected is the superotemporal (63%).
Lower extremity varicose veins is the condition in which the superficial veins become tortuous (snakelike) and dilated (enlarged) to greater than 3 mm (0.12 in) in the upright position. [24] Incompetent or faulty valves are often present in these veins when investigated with duplex ultrasonography.