Varicose ulcer

Introduction Varicose ulcer is one of the complications of varicose veins. The varicose veins, commonly known as "fried ribs", are the most common diseases of the venous system. The main reason for the formation is that the congenital vascular wall membrane is weak or maintains the same posture for a long time. Change, the blood accumulates in the lower limbs, and the venous pressure is destroyed by rupturing the venous valve in the case of accumulation of time, which is a symptom of the blood vessel protruding from the surface of the skin. Varicose veins occur in the lower extremities, and other scrotal spermatic cords, abdominal veins, and gastric esophageal veins may also develop varicose veins.

Cause

Due to long-term blood stasis in the vein, the capillary osmotic pressure is increased, and the surrounding tissue is edematous, the local tissue resistance is reduced, and the mild injury is prone to ulceration. Ulcers often occur in the upper part of the medial malleolus and the lower third of the calf. More common in middle-aged or older people.

an examination

Related inspection

Skin smear microscopy skin microscopy

In patients with long-term varices, tissue edema is aggravated by venous stasis, and skin eczema changes occur. Itching of the skin, the patient will involuntarily scratch, aggravate the eczema-like changes, and appear erosions and ulcers.

Diagnostic criteria for varicose veins

First, there is a long history of standing and raising the abdominal pressure, or a family history of varicose veins.

Second, the patient's lower extremity veins are obviously distorted and expanded, which is more obvious when standing.

Third, deep vein patency, great saphenous vein valve insufficiency, may have traffic venous valve insufficiency.

Fourth, ultrasound Doppler or venography showed large saphenous vein tortuous expansion, valve insufficiency.

Fifth, may be associated with pigmentation, ulcers, thrombotic superficial phlebitis, bleeding, ulcers and other complications.

Differential diagnosis

(1) Varicose thrombophlebitis due to long-term stasis of blood, thrombosis can form in the veins of varicose veins, leading to inflammation of the vein wall.

(2) venous nodule rupture The varicose vein nodule has a thin wall and often adheres to the atrophic skin. Mild injury can easily cause rupture and bleeding.

In patients with long-term varices, tissue edema is aggravated by venous stasis, and skin eczema changes occur. Itching of the skin, the patient will involuntarily scratch, aggravate the eczema-like changes, and appear erosions and ulcers.

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