EN
This paper presents a case of the patient with leg ulcers resulting from incompetence of the gastrocnemius vein with refluxing variety referred to as the "enigma of the gastrocnemius vein". The operation consisted of the selected ligature of incompetent perforator joining the gastrocnemius vein and the small saphenous vein. After the operation ulcers healed and reflux in the system of the gastrocnemius vein disappeared. Surgical tactics of operations for varicose veins accompanied by incompetence of the gastrocnemius vein is also discussed.