The prominent veins shown here on the lower leg are varicosities. 下肢靜脈曲張，隨著年齡的增長越易發生。
The insufficiency of perforating veins is the main cause resulting in the recurrence of varicose veins after varicotomy in lower extremities. 交通靜脈功能不全是導致下肢靜脈曲張術后複發的主要原因。
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