Throbbing

What is Superficial Venous Thrombosis(SVT) or Thrombophlebitis ? 

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SVT is an attack of blood clots in veins that lie under the skin within the fat but not in the deep veins.  It is a relatively common medical problem. Although commonly thought as a benign process SVT is associated with several underlying pathologic processes, including malignancy and deep vein thrombosis. 

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Additionally SVT can lead to serious clinical consequences when it evolved into deep vein thrombosis. These patient can develop pulmonary embolism disease.(blood clots moving to the lungs). The overall incidence of lower extremity thrombophlebitis has been reported to be 3-11% in the general population. It affects men and women at the same rate with most with most occurring in the mid-fifties. Varicose veins are present in over 60% of patients with SVT.