What Is a Venous Trophic Ulcer
In advanced venous insufficiency, blood pools in the leg veins for years. The pressure builds, skin nutrition deteriorates — the skin darkens, thickens, and becomes fragile. Against this backdrop, even a minor injury can turn into a wound that simply will not heal. That is a trophic ulcer.
It is important to understand: an ulcer is not a skin disease in its own right — it is a symptom. Its root cause is venous reflux, the same mechanism as in varicose veins, only at an advanced stage (C6 by CEAP). That is why treatment must address not just the wound, but the underlying cause.
Not every leg ulcer is venous in origin. Ulcers caused by arterial disease, diabetes (diabetic foot), or mixed conditions can look similar but require a different approach. The essential first step is accurately identifying what kind of ulcer it is.
How It Develops and What It Looks Like
Warning Signs (Before the Ulcer)
- Darkening and pigmentation of the skin on the lower third of the leg
- Hardening of the skin and subcutaneous tissue (lipodermatosclerosis)
- Itching, dryness, flaking, venous eczema
- Persistent swelling and heaviness that does not resolve overnight
Established Ulcer
- A non-healing wound, most often above the inner ankle
- Discharge, weeping, sometimes an unpleasant odor
- Pain of varying intensity, worse when standing
- Recurring pattern: the ulcer closes, then reopens
A rapidly enlarging ulcer, spreading redness around the wound, pus, fever, or worsening pain are signs of infection. Do not wait for a scheduled appointment — seek care promptly. Call us: +998 99 883-93-21
Causes and Risk Factors
Advanced Venous Insufficiency
The primary cause: years of reflux and stasis in the leg veins deprive the skin of adequate nutrition.
Previous Deep Vein Thrombosis
Post-thrombotic syndrome is a common path to trophic ulcers, even without prominent varicose veins.
Long-Standing Varicose Veins
Years of untreated varicose veins with skin changes predictably lead to ulceration.
Age and Low Physical Activity
These reduce the effectiveness of the muscle pump, increasing venous stasis.
Coexisting Conditions
Diabetes, arterial disease, and obesity impair healing and worsen the overall course.
The Path to Ulceration: Stages of Skin Changes
Ulcers do not appear overnight — they are preceded by skin changes that can be recognized early. If treatment is started at an earlier stage, an open wound can often be prevented altogether.
- 1
Pigmentation
The leg skin darkens — the first visible signal of venous stasis. This stage is still reversible.
- 2
Skin Hardening
Lipodermatosclerosis: the skin and subcutaneous tissue become firm, and venous eczema may appear.
- 3
Healed Ulcer (C5)
An ulcer was present and has closed, but without vein treatment the risk of it reopening remains high.
- 4
Open Ulcer (C6)
The most severe stage: active wound management and elimination of the venous cause are both required.
The earlier venous reflux is eliminated, the easier it is to prevent an ulcer — or to close one that has already formed. Vein duplex ultrasound helps identify the stage and the source.
Why a Trophic Ulcer Is Dangerous
A trophic ulcer significantly reduces quality of life and, without treatment of the underlying cause, is prone to serious complications.
Infection
An open wound is a gateway for infection: suppuration, erysipelas, and in severe cases, deeper spread are all possible.
Chronic, Recurring Course
Without eliminating the venous source, the ulcer repeatedly closes and reopens over the years.
Pain and Loss of Function
Constant pain and wound care interfere with work, sleep, and everyday activities.
Enlargement and Deepening of the Wound
Over time, the ulcer may grow larger and become increasingly difficult to treat.
Diagnosis: Finding the Source of the Ulcer
Treating an ulcer without understanding what is driving it is futile. During vein duplex ultrasound, I locate the source of reflux and assess the deep veins; a thorough physical examination helps rule out arterial and other causes. Only once the underlying cause is clear is it possible to build a treatment plan that leads to genuine healing — rather than an endless cycle of dressing changes.
Learn more about vein duplex ultrasoundHow a Venous Ulcer Is Treated
Treatment always follows two parallel tracks: eliminating the venous cause and supporting wound healing. Neither works without the other.
Wound Care and Compression
Local wound treatment (appropriate dressings and cleansing) combined with compression therapy reduces swelling and creates the right conditions for healing. But this is only half the picture: as long as venous reflux persists, congestion returns and the ulcer recurs. That is why wound care must always be paired with correction of the venous cause.
Vein Duplex Ultrasound
Duplex ultrasound of both legs with a full report and treatment plan — all at your very first appointment.
Learn moreEVLA
Laser sealing of a diseased vein through a tiny needle puncture — the leading non-surgical treatment for varicose veins.
Learn moreThe key to lasting healing is closing the source vein: EVLA is performed minimally invasively through a small puncture — even in the presence of damaged skin. Once reflux is eliminated, the ulcer has a real chance to close and stay closed.
Myths About Trophic Ulcers
Myth:Ulcers can be cured with ointments and dressings alone
The Reality:Local treatment supports the wound but does not remove the cause — venous reflux. Without addressing the source, the ulcer closes only temporarily and then reopens.
Myth:You can't treat the veins when an ulcer is present
The Reality:Quite the opposite: closing the source vein is the key step toward healing. Modern techniques (EVLA) are performed through a puncture and can be used even when the leg skin is damaged.
Myth:Any leg ulcer must be caused by diabetes
The Reality:Not at all. Ulcers can be venous, arterial, diabetic, or mixed in origin. The first step is to determine the nature of the wound through examination and ultrasound, because the treatment approach differs significantly.
Myth:Once it has healed, there is nothing more to do
The Reality:A healed ulcer (stage C5) without vein treatment frequently reopens. To resolve the problem for good, the venous cause needs to be addressed.
Preventing Ulcers and Recurrence
- Do not neglect varicose veins or venous insufficiency — treat them at an early stage
- After a previous deep vein thrombosis — regular follow-up and prevention of post-thrombotic syndrome
- Compression stockings as prescribed by your doctor — worn consistently
- Daily walking, careful skin care on the legs, and avoiding minor injuries
- Maintaining a healthy weight and managing diabetes and other coexisting conditions
- Follow-up vein duplex ultrasound, especially after a prior ulcer
Frequently Asked Questions
Why does a trophic ulcer fail to heal for months?
Because its cause lies not in the skin but in the veins: reflux and stasis deprive the tissue of adequate nutrition. Until the source is eliminated, the wound lacks the conditions it needs to heal. Once the offending vein is closed and swelling is controlled with compression, the ulcer has a real opportunity to close.
Is it possible to close a vein when the skin is already damaged and an ulcer is present?
Yes. EVLA is performed through a puncture away from the wound and are suitable even with compromised leg skin. In fact, eliminating reflux is often the decisive step that makes ulcer healing possible.
The ulcer healed on its own. Is there anything else I need to do?
Yes. A healed ulcer without vein treatment is stage C5 — with a high risk of reopening. To prevent the problem from returning, a duplex ultrasound and correction of the venous cause are strongly advisable.
How does a venous ulcer differ from a diabetic one?
In mechanism and location. Venous ulcers result from venous stasis and most commonly appear above the inner ankle; diabetic and arterial ulcers have a different origin and require different treatment. Determining the type of ulcer is the job of a clinical examination and ultrasound.
