Ultrasound-Guided Foam Sclerotherapy
Foam sclerotherapy. The visible vein closes. The cause underneath gets closed too.
Ultrasound-guided foam sclerotherapy at Palazzo Manzoni in Brescia, performed by Prof. Edoardo Cervi. A sclerosing foam injected under ecocolordoppler control, the diseased vein closed chemically, the underlying reflux mapped and addressed.
Ultrasound-guided foam sclerotherapy at Palazzo Manzoni in Brescia is performed by Prof. Edoardo Cervi, with diagnostic ecocolordoppler integrated into every plan. A sclerosing agent in foam form (the schiuma sclerosante, mixed liquid and air) is injected under real-time ecocolordoppler control directly into the diseased segment; the foam displaces the blood and stays in prolonged contact with the vessel wall, triggering a controlled inflammatory reaction that progressively obliterates the vein. Ambulatory, no general anaesthesia, immediate return to walking and daily activity.
Walk in, walk out
15 to 30 minutes per session, no general anaesthesia.
Ultrasound-guided
Foam delivered precisely to the diseased segment.
Two to four sessions typical
Spaced about a month apart.
Compression, then back to your life
Class II for two to three weeks.
What Brought You Here
The varicose vein has been there for years. The conversation about it doesn’t have to be.
You’ve adapted around it. You’ve watched the leg in the mirror more carefully than the leg deserved. You’ve covered it. You’ve been told to wear compression on flights, on long days, on standing days.
You may have had one episode of varicotrombosi, an inflamed segment of the surface vein, where the leg went hot for a week and you swore you’d see someone. Then it settled. You went on.
If you’ve reached this page, you have already done the working-around-it part. What you need now is the ecocolordoppler, and a precise conversation about which technique fits which vessel. For most patients with a visible varicose vein and confirmed reflux, ultrasound-guided foam sclerotherapy is the right first answer.
What Foam Sclerotherapy Actually Does
The foam is doing two things at once
A sclerosing agent in liquid form, injected into a vein, mixes with the blood and is rapidly diluted. The contact between the drug and the vessel wall is brief, and for vessels of any size, partial.
A sclerosing agent in foam form (liquid mixed with a controlled amount of air, producing a microfoam) behaves differently. The foam displaces the blood inside the vessel, stays in prolonged contact with the wall, and produces a much more reliable closure for vessels of medium and large diameter.
The second key element is the ultrasound guidance. The ecocolordoppler probe is positioned in real time during the injection. The operator sees the foam entering the diseased segment, fills the segment that requires treatment, and stops at the boundary that should be preserved. The treatment is precise, by construction.
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Foam, not liquid
The microfoam displaces blood and stays in prolonged contact with the wall, for reliable closure of medium and large veins.
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Ultrasound-guided by design
The foam is delivered exactly where it is needed, and the spread is monitored in real time.
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One department, one pathway
Diagnostics, treatment and follow-up, performed by Prof. Edoardo Cervi.
How It Works, Step by Step
How a foam session works, step by step.
Step 01
Examination and ecocolordoppler
A focused phlebological examination and a complete ecocolordoppler of the venous system, performed in the same visit. The map identifies the diseased segments, the underlying reflux source (typically a saphenous trunk or a major tributary), and the order in which the segments should be treated.
Step 02
The plan
You leave the first visit with the number of sessions estimated, the technique by segment, and a clear sense of what each session will do.
Step 03
The session
Ambulatory. The leg is positioned to favour the planned injection. Ecocolordoppler probe in place. The foam is prepared in real time (liquid sclerosing agent mixed with sterile air through a closed system to produce a stable microfoam) and injected through a fine needle directly into the diseased segment. Total session time, 15 to 30 minutes. No general or local anaesthesia required for most injections.
Step 04
Compression and immediate return
A class II elasto-compressive stocking is applied at the end of the session. Walking begins immediately and is, in fact, encouraged for the first hours after the procedure to support the circulation. Normal daily activity, including work and standing, from the same day.
Who Foam Sclerotherapy Is For
Is foam sclerotherapy
right for your veins?
Foam sclerotherapy is the workhorse of varicose vein treatment, but it is a specific answer for a specific clinical profile. At Palazzo Manzoni, most foam candidates share several of the following.
Clinical profile
- Visible varicose veins of medium and large diameter, with confirmed reflux on ecocolordoppler
- Saphenous tributaries and collaterals after closure of the main trunk by endovenous laser or radiofrequency
- Residual veins after previous surgery elsewhere
- Selected post-thrombotic veins, on a case-by-case basis
- Patients in whom endovenous laser is not indicated for anatomical or patient-related reasons
Often combined with other techniques
- Foam sclerotherapy and endovenous laser are often combined: the laser closes the saphenous trunk in a single session
- Foam sclerotherapy then addresses the residual tributaries and collaterals over the subsequent sessions
- The two techniques are complementary, not alternatives
- For smaller surface vessels (capillaries and reticular veins below 3 mm), transdermal laser, liquid sclerotherapy and cryosclerotherapy are more appropriate
Where foam sclerotherapy isn’t the right answer?
Foam sclerotherapy is not indicated in patients with known allergy to the sclerosing agent, during pregnancy and immediate postpartum, with active deep venous thrombosis, with severe peripheral arterial disease (the ecocolordoppler also examines this), or with open inflammatory conditions on the leg at the planned injection site. When the saphenous trunk itself is the main source of reflux, endovenous laser is usually the more appropriate first technique, with foam used afterwards for the residual segments.
If foam fits, your ecocolordoppler will confirm it. If not, the right answer for your veins still exists, and the assessment will find it.
Why Ultrasound Guidance Matters
Foam without ecocolordoppler is foam aimed by feel
The foam can be felt, in some cases, under the skin. But the diseased segment that needs the foam is often deeper than what can be palpated, and the boundary between “diseased” and “competent” is often invisible to the eye. The ecocolordoppler is what makes the technique reproducible: the foam is delivered exactly where it is needed, the spread is monitored in real time, and the result is documented on imaging at the end of the session.
For this reason, ultrasound-guided foam sclerotherapy is the proper name of the technique. Foam injected blind, in superficial veins only, is an older and less precise version of the same idea. The “ultrasound-guided” qualifier is what gives the technique its modern indications.
Your Recovery, Session by Session
Day zero, the first weeks, and the months that follow
Day 0
The session itself. Walking begins immediately. Compression stocking on. Normal activity from the same hour.
Days 1 to 14
Compression stocking worn during the day (typically removed at night) for the first two to three weeks. The treated segment may feel cord-like under the skin and may show mild local inflammation. This is the expected response, not a complication.
Weeks 3 to 6
The treated vein progressively retracts and reabsorbs. The surface appearance improves week by week. Where additional sessions are planned, the next session is scheduled around four to six weeks after the previous one.
Months 2 to 6
The cycle of two to four sessions completes. The follow-up ecocolordoppler at the agreed interval confirms the closure of the treated segments and the resolution of the underlying reflux.
Long term
Periodic ecocolordoppler check-ups (typically annual at first, then less frequent) confirm the stability of the venous system. Lifestyle factors that contributed to the disease (prolonged standing, sedentary periods, hormonal events) are discussed and managed.
Honest Trade-offs
What foam sclerotherapy
doesn’t do
Foam sclerotherapy is a very successful technique, but not a perfect one. The honest picture: the technique closes the diseased vein chemically. A vein that is closed is reabsorbed, not removed, and the reabsorption takes weeks. The treated segment may briefly feel firmer under the skin, which resolves with the reabsorption.
A small share of patients develop a brown pigmentation along the treated path (hyperpigmentation). This typically fades over months but can be persistent in a minority of cases. Recurrence is possible, particularly if the underlying reflux was not mapped and addressed. This is the most common avoidable cause of recurrence. Allergy to the sclerosing agent is rare but real, and screened at the consultation.
The technique is not a substitute for the diagnostic ecocolordoppler. A varicose vein treated without imaging is, in the end, a varicose vein treated blind. That is why every plan at Palazzo Manzoni starts from the venous map, not from the surface.
Who Performs Your Treatment
Prof. Edoardo Cervi
Vascular surgeon, phlebology lead. Working with ecocolordoppler, ultrasound-guided foam sclerotherapy, endovenous laser, and radiofrequency coordinated under one roof.
Vascular surgeon and phlebology lead
general and vascular surgery with phlebology subspecialisation
Ultrasound-guided sclerotherapy
foam and liquid sclerotherapy performed under real-time ecocolordoppler control
Supported by the vascular team
continuity from the diagnostic ecocolordoppler through every session and follow-up
“The foam itself is well-known and the technique is mature. What makes the difference between a result that lasts and one that doesn’t is the ecocolordoppler. Mapping the reflux, treating the diseased segment, leaving the competent one alone. The foam is the easy part. The map is what matters.”
Patient Stories
Other people have
come through this leg
Different stages, different starting points — the conversation began the same way, with the ecocolordoppler.
In their own words
Fifteen years of being told the vein was “just a vein.” Three sessions of foam, a month apart. The leg felt mine again by evening from the second session onwards.
EVLA on the saphenous trunk first, then two sessions of foam on the residual veins. The follow-up ecocolordoppler at six months showed the system was stable.
After the second pregnancy the legs had changed shape. Three sessions of foam, the veins are gone, and the leg feels lighter by evening. I’d put it off for too long.
If Foam Sclerotherapy Isn’t Your Answer
If foam isn’t right, another technique usually is
When the saphenous trunk itself is the main source of reflux, endovenous laser is typically the more appropriate first technique, with foam used afterwards for the residual segments.
When the surface vessels are smaller (capillaries and reticular veins below 3 mm), transdermal laser, liquid sclerotherapy and cryosclerotherapy are the more appropriate options. The choice is established at the consultation.
→Endovenous laser (EVLA)
When the saphenous trunk is the main source of reflux, closed from inside the vein in a single ambulatory session.
→Capillaries and aesthetic phlebology
Transdermal laser, liquid sclerotherapy and cryosclerotherapy for capillaries and reticular veins below 3 mm.
→Radiofrequency
A thermal closure technique very similar to endovenous laser, with the same indications.
→Vascular consultation
An ecocolordoppler-supported consultation maps the situation and explains every option without commitment.
Your ecocolordoppler will clarify which technique fits your venous map.
Common Questions
Common questions
about ultrasound-guided foam sclerotherapy
Is foam sclerotherapy painful?
The injection is comparable to a fine venous blood draw. There is no general or local anaesthesia. Most patients describe the session as uncomfortable rather than painful, and short.
How many sessions will I need?
For medium and large varicose veins, typically two to four sessions spaced about a month apart. The exact number is established after the ecocolordoppler.
Will I need to wear compression stockings?
Yes. A class II elasto-compressive stocking for two to three weeks after each session, to optimise the adherence of the foam to the vessel walls.
Can I work and walk the same day?
Yes. Walking is, in fact, encouraged in the hours immediately after the session. Most patients return to work the same day.
Will the treated vein disappear immediately?
No. The vein closes during the session and is then reabsorbed over weeks. The surface appearance improves progressively across the cycle.
Will I need to repeat the treatment in the future?
With an ecocolordoppler-based plan, durable closure is the realistic expectation. Periodic follow-up ecocolordoppler (typically annual at first) is part of the pathway. New segments can develop reflux over time, and where they do, additional sessions address them.
Is foam sclerotherapy better than endovenous laser?
Neither is “better” in absolute terms. They are complementary. Foam is the workhorse for varicose tributaries and medium-to-large surface veins. Endovenous laser is preferred for the saphenous trunk and selected larger vessels. Often both are used in the same plan.
What if I am pregnant?
Foam sclerotherapy is typically deferred until after pregnancy and breastfeeding. Pregnancy is also a strong trigger for varicose vein progression; many patients plan their treatment cycle after completing the desired number of pregnancies.
How much does foam sclerotherapy cost?
Cost depends on the number of sessions estimated after the ecocolordoppler. After the first consultation, you receive a clear, transparent estimate.
Where is Palazzo Manzoni, and do I need a referral?
Istituto Chirurgico Palazzo Manzoni is at Via dei Mille 14 in central Brescia. No referral required.
Who performs the treatment?
Ultrasound-guided foam sclerotherapy at Palazzo Manzoni is performed by Prof. Edoardo Cervi, supported by the vascular team.
Take the Next Step
Three months from now,
the leg can look different.
At Palazzo Manzoni in Brescia, your foam sclerotherapy plan is built around the ecocolordoppler map of your specific venous system.
Address
Via dei Mille 14, 25122 Brescia, Italia
Phone
Hours
Mon-Fri 8:30-18:30 · Sat 9:00-13:00
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Get in touch
Call, email, WhatsApp, or book online.
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Be examined by Prof. Cervi with ecocolordoppler
Specialist mapping and plan in the same visit.
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Move forward, with a plan
A plan built from the venous map, not from the surface.
Content reviewed by Prof. Edoardo Cervi, head of Vascular Surgery.