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Varicosities
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Varicosities

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Contributors: Anahita Azharian DO, Jeffrey D. Bernhard MD, Lowell A. Goldsmith MD, MPH
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Synopsis

Varicosities are abnormally dilated and tortuous veins that usually appear in the lower extremities. Varicosities in general occur as a result of an underlying problem with reverse venous flow, also known as venous insufficiency syndrome.

Healthy veins have one-way valves that are located at various levels, superficial to deep. They redirect blood in a systematic fashion from the outermost surface of the body toward the center and ultimately to the heart. At each step, these valves prevent backflow of blood. When these valves become incompetent and "leaky," blood back flows; this results in an increase in venous pressure in superficial veins. Since the superficial venous system operates as a low-pressure system, repeated increases in venous pressure result in enlarged and tortuous veins. In essence, varicosities are normal veins that have become dilated because of increased venous pressure set in motion by incompetent valves.

Most commonly, varicosities are either varicose veins or spider veins, which are also known as telangiectases. These varicosities are on the surface and visible. They can be uncomfortable, annoying, or just cosmetically concerning. Normal pregnancies may be complicated by mild to severe vulvovaginal varicosities.

Deeper varicosities are a sign of more significant problems and can result in serious and chronic conditions if left unrecognized and untreated. For instance, lipodermatosclerosis (LDS), which is associated with fat necrosis and recurrent ulcerations, can be a manifestation of untreated chronic venous insufficiency. In advanced cases of LDS, the proximal part of the lower extremity swells up as a result of the chronic venous obstruction. The distal part of the lower extremity in turn shrinks from all of the chronic ulcerations and fat necrosis. This combination results in an "inverted champagne bottle" appearance of the lower extremity. Occasionally an acute form of LDS can occur, and it is important to not misdiagnose it as cellulitis, inflammatory morphea, or erythema nodosum.

Codes

ICD10CM:
I83.90 – Asymptomatic varicose veins of unspecified lower extremity

SNOMEDCT:
128060009 – Venous varices

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Last Updated: 09/16/2019
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Varicosities
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Varicosities : Leg, Leg pain, Telangiectasia, Leg cramp, Foot edema
Clinical image of Varicosities
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