Chennai-based Endovascular & IR Specialist, Dr. Ravindran Ramalingam offers minimally invasive, scar-free treatments ensuring faster recovery and minimal pain.

Endovascular &
IR Specialist

Center Address
- Gleneagles Health City, Perumbakkam, Chennai, TN
- Maruti Scans, Velachery, Chennai, TN

Vascular Malformation

Vascular Malformation Sclerotherapy / Embolization

A Minimally Invasive, Surgery-Free Treatment for Abnormal Blood Vessels

Vascular malformations are abnormal clusters of blood vessels that can cause pain, swelling, bleeding, skin changes, or cosmetic problems. Many patients are told they need surgery, but today, image-guided sclerotherapy or embolization can treat most vascular malformations without open surgery—with faster recovery and fewer scars.

👉 Have a swelling, painful lump, or birthmark that’s growing or bleeding?

What Is Vascular Malformation Sclerotherapy / Embolization?

  • Sclerotherapy is a treatment where a special medicine is injected directly into the abnormal vessels to shrink and close them.
  • Embolization is a treatment where tiny particles, glue, or coils are used to block abnormal blood flow inside the malformation.

These treatments:

  • Reduce pain and swelling
  • Control bleeding
  • Improve appearance and function
  • Avoid major surgery in most cases
  • No big cuts

  • Image-guided and precise

  • Day-care or short hospital stay

  • Can be repeated if needed

What Is a Vascular Malformation?

A vascular malformation is a birth-related (congenital) abnormality of blood vessels. It may involve:

  • Veins (venous malformation)
  • Arteries (arteriovenous malformation or AVM)
  • Lymphatic vessels
  • Or a combination of these

Common symptoms include:

  • Swelling or lump that slowly grows
  • Pain or heaviness
  • Skin discoloration or visible veins
  • Bleeding or ulcers
  • Limitation of movement (if near joints)

Vascular malformations are not cancers, but they can cause serious symptoms and often worsen over time.

How Is Vascular Malformation Sclerotherapy / Embolization Done?

The procedure is performed by an interventional radiologist using ultrasound, X-ray, or CT guidance.

Step-by-step:

  • You lie comfortably on the procedure table
  • Local anesthesia (and sometimes sedation) is given
  • A small needle or thin tube (catheter) is guided into the malformation
  • For sclerotherapy: a medicine is injected to shrink and close the abnormal vessels
  • For embolization: special materials are used to block abnormal blood flow
  • Blood flow is checked, and a small dressing is applied

What Are the Risks?

Vascular malformation sclerotherapy/embolization is generally safe in experienced hands.
Possible risks with approximate incidence include:

  • Pain and swelling after treatment – common (20–40%)
  • Skin redness or temporary skin discoloration – common (10–20%)
  • Blistering or small skin ulcer – uncommon (3–5%)
  • Infection – rare (<1–2%)
  • Bleeding or bruising – uncommon (5–10%)
  • Damage to nearby nerves or tissues – rare (<1–2%)
  • Allergic reaction to medicines or contrast – rare (<2%)
vascular malformation treatment chennai

What Are the Alternatives?

Your treatment plan depends on:

  • The type, size, and location of the vascular malformation
  • Your symptoms and overall health
  • Personal preferences and treatment goals

Many patients need more than one type of treatment over time.

Alternative 1: No Active Treatment (Observation)

  • Avoids the risks and discomfort of procedures or medicines
  • Suitable for small or mild malformations with few symptoms
  • Limitation: symptoms may worsen over time
  • Large or fast-flow malformations can strain the heart and cause serious problems if left untreated

Alternative 2: Medications

  • Medicines can help control pain, swelling, or bleeding
  • Newer drugs can target certain types of vascular malformations
  • Often used as supportive treatment or combined with procedures
  • May not completely remove the malformation but can reduce symptoms and slow progression

Alternative 3: Laser Treatment

  • Uses laser energy to shrink or destroy abnormal blood vessels over time
  • Can be done:
    • From outside the body (percutaneous laser photocoagulation), or
    • From inside the blood vessels (endovenous laser ablation)
  • Usually requires multiple sessions for best results
  • Minimally invasive compared to surgery

Alternative 4: Surgery

  • Involves surgical removal of part or all of the vascular malformation
  • Considered the most invasive option
  • Carries a higher risk of complications, seen in up to 1 in 5 patients
  • Requires longer recovery time and may not always be suitable for complex malformations

Choosing the Right Treatment

Modern care often combines medications, laser therapy, minimally invasive embolization, and surgery to achieve the best results. A personalized evaluation by a vascular or interventional specialist helps choose the safest and most effective treatment plan.

📌 In many cases, sclerotherapy/embolization is preferred because it is less invasive and more precise than surgery.

What Happens After Your Procedure?

After treatment:

  • You may have pain and swelling for a few days (this is common and expected)
  • Pain medicines and rest are advised
  • You can usually go home the same day or next day
  • Normal activities resume gradually over a few days to a week
  • Multiple sessions may be needed for large or complex malformations
  • Follow-up scans help check the response to treatment

Most patients notice gradual improvement in pain, size, and symptoms over weeks.

Frequently Asked Questions (FAQs) – Vascular Malformation Sclerotherapy / Embolization

Sclerotherapy and embolization are minimally invasive, image-guided treatments used to shrink or block abnormal blood vessels in vascular malformations, helping reduce pain, swelling, bleeding, and cosmetic problems.

A vascular malformation is a birth-related abnormality of blood vessels. It is not cancer, but it can grow over time and cause pain, swelling, skin changes, or bleeding.

These treatments are considered for patients who have:

  • Painful or growing swellings
  • Repeated bleeding
  • Functional problems (movement, vision, etc.)
  • Cosmetic concerns
  • Complications from vascular malformations

No. It is a minimally invasive, needle or catheter-based procedure, not open surgery.

The procedure is done under local anesthesia or sedation, so pain during treatment is minimal. Some pain and swelling afterward are common but temporary.

Small malformations may need only one session, but larger or complex malformations often need multiple treatment sessions.

Yes. In experienced centers, it is safe and effective. Most side effects are temporary, and serious complications are uncommon.

Possible risks include pain, swelling, skin redness, bruising, infection, or rarely damage to nearby tissues. Serious problems are rare.

Most patients return to normal activities within a few days to a week, depending on the size and location of the malformation treated.

These treatments shrink and control the malformation. Some types can recur, but repeat treatments are possible and commonly done.

Yes. These procedures are safely used in both children and adults, depending on the type and location of the malformation.

Compared to surgery, sclerotherapy/embolization:

  • Is less invasive
  • Has fewer scars
  • Has faster recovery
  • Can treat deep or complex malformations more safely

Many patients are treated as day-care, but some may need 1–2 days of observation, especially for larger treatments.

Yes. Vascular malformation sclerotherapy and embolization are available in specialized interventional radiology and vascular centers across India.

You should seek medical advice if:

  • A swelling is growing or painful
  • There is repeated bleeding
  • There are skin changes or ulcers
  • The lesion affects movement, vision, or daily activities

Why Choose Sclerotherapy / Embolization for Vascular Malformations?

  • Minimally invasive

  • No big surgery or scars

  • Targeted treatment of abnormal vessels

  • Faster recovery

  • Can be repeated if needed

  • Improves pain, swelling, and appearance

Take the Next Step Toward Safe and Effective Treatment

If you or your loved one has a vascular malformation causing pain, swelling, bleeding, or cosmetic concern, you don’t have to live with it.

Sclerotherapy and embolization offer modern, safe, and effective solutions—without major surgery.
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