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Which cancers isolated limb perfusion is used for | CION Cancer Clinics
Isolated limb perfusion is used mainly for melanoma that has come back as many spots along one arm or leg, and for large soft tissue sarcomas of a limb. The cancer must be confined to that limb. This page explains each situation, who the treatment does not suit, and how your team works out whether it fits your cancer. CION Cancer Clinics’ surgical oncologists in Hyderabad can talk this through with you.
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Medically reviewed by Dr. Muralidhar MuddusettyConsultant Surgical Oncologist · MBBS (AIIMS), MS (Surgery, AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh) · last reviewed September 2026, next review due September 2027
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On this page
- Which cancers is isolated limb perfusion used for?
- What does each cancer look like when perfusion is considered?
- How does the team work out whether your cancer fits?
- What do the words on the report mean?
- Who is isolated limb perfusion not suited to?
- What do families often get wrong about this treatment?
- How does perfusion compare with other options for a limb cancer?
- Common questions about which cancers perfusion treats
The short answer
Which cancers is isolated limb perfusion used for?
Isolated limb perfusion is used mainly for two cancers: melanoma that has come back as many small spots along one arm or leg, and soft tissue sarcoma of an arm or leg that is too large or too awkwardly placed to remove easily. In both, the cancer has to be confined to that one limb.
Why only cancers of the arm or leg
The operation works by cutting off the blood flow of one limb from the rest of the body for a short time. A tourniquet and clamps on the main artery and vein hold the circulation apart. A heart-lung style pump then runs a very strong dose of chemotherapy around that limb only.
Why the cancer must stay in the limb
The treatment reaches nothing outside the tourniquet. If the cancer has already spread to the lungs, liver or brain, perfusion does nothing for those areas. That is why scans of the whole body come first, before anyone talks about the operation.
This page explains which cancers the treatment is used for. It cannot tell you whether it suits your own cancer. Only the team that has seen your scans and biopsy can say that.Where it is used
What does each cancer look like when perfusion is considered?
The situations are quite specific. Most people with these cancers are treated another way.
Melanoma spread along a limb
After a melanoma is removed, it sometimes returns as many small lumps or dark spots in the skin between the scar and the nearest lymph glands. When there are too many to cut out one by one, perfusion is one option.
Report words you may see
- In-transit metastases
- Satellite lesions
Soft tissue sarcoma of a limb
A large sarcoma in the thigh, calf, arm or near a joint can wrap around nerves, blood vessels or bone. Perfusion may be used to shrink it first, so that a smaller operation can remove it later.
Here the aim is often to keep the limb rather than remove it.Less common skin cancers
Occasionally it is used for other cancers limited to a limb, such as some squamous cell skin cancers or Merkel cell cancer. The evidence here comes from small groups of patients, so teams use it with care.
Cancers it is not used for
It is not a treatment for bone cancer inside the bone, for cancers of the chest or belly, or for any cancer that has spread widely.
Also not used for
- A single small lump that can simply be removed
- Blood cancers such as lymphoma
Not sure whether this applies to you?
Ask an oncologistHow the team decides
How does the team work out whether your cancer fits?
Confirming the type
A biopsy, which means a small piece of tissue checked under a microscope, confirms whether this is melanoma, sarcoma or something else. The treatment choice depends on that answer, so it always comes first.
Checking the rest of the body
A PET-CT or CT scan looks for cancer outside the limb. If it has spread elsewhere, whole-body treatment usually matters more than treating the limb on its own.
Looking at the limb itself
An MRI shows how many spots there are, how deep they sit and how close they are to nerves and vessels. A scan of the blood vessels checks that the main artery and vein are healthy enough to use.
Tumour board discussion
Surgeons, medical oncologists and radiation oncologists look at all of this together. They weigh perfusion against surgery, immunotherapy, targeted drugs and radiotherapy before anything is recommended to you.
On your report
What do the words on the report mean?
- In-transit metastases
- Melanoma spots that have travelled through the small lymph channels of the skin and settled between the first scar and the nearest glands.
- Soft tissue sarcoma
- A cancer that starts in muscle, fat, nerve sheath or other supporting tissue, rather than in skin or bone.
- Locally advanced
- The cancer is large or closely tied to nearby structures, but has not spread to distant organs.
- Isolated limb infusion
- A simpler cousin of perfusion. Thin tubes are passed in through the groin instead of an open operation on the vessels.
- Limb salvage
- Treatment planned to keep the arm or leg, and as much of its use as possible, instead of amputating.
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Being straight with you
Who is isolated limb perfusion not suited to?
Even when the cancer is the right type, the operation does not suit everyone. It is a long procedure under general anaesthesia, and the limb reacts strongly afterwards. Your team will look at far more than the cancer itself.
When the body cannot take the strain
Serious heart or lung disease can make the anaesthetic and the fluid shifts too risky.
When the blood vessels are not healthy
The circuit depends on a good artery and vein. Hardened or blocked arteries, past clots in the leg veins or earlier surgery in the groin or armpit can make perfusion unsafe or impossible. Infusion through thin tubes is sometimes possible instead.
When another option fits better
For melanoma, modern immunotherapy and targeted drugs now treat many people whose disease once would have led to perfusion. For some sarcomas, radiotherapy and surgery together are enough. The team chooses on the whole picture, not on which option sounds strongest.
Only your treating team can say whether perfusion is right for you. Ask them what else they considered, and why.Commonly believed
What do families often get wrong about this treatment?
"If the cancer is in the leg, perfusion is the obvious choice."
Most cancers in a leg are treated with surgery alone, or surgery with radiotherapy. Perfusion is kept for a narrow group where simpler treatment cannot manage the disease. A lump in the leg does not by itself mean perfusion is needed.
"Treating the limb treats the whole cancer."
The drug only reaches the arm or leg inside the tourniquet. If cancer cells have reached other organs, they are untouched. That is why regular scans continue after perfusion, and why some people also need treatment for the whole body.
"Strong chemotherapy means strong side effects everywhere."
Because the drug is washed out of the limb before the circulation is joined back up, hair loss and sickness are usually much milder than with a drip. The effects are felt mostly in the limb: swelling, redness, stiffness and sometimes nerve pain.
Side by side
How does perfusion compare with other options for a limb cancer?
Option
Usually considered when
Surgery to remove the lump
There are only a few spots, or one sarcoma that can be removed with a clear edge
Immunotherapy or targeted drugs
Melanoma, especially if there is any sign of spread beyond the limb
Radiotherapy with surgery
Many soft tissue sarcomas, given before or after the operation
Isolated limb perfusion or infusion
Many spots, or a large sarcoma, still confined to one arm or leg
Amputation
No other treatment can control the cancer while leaving a useful limb
Questions we are asked
Common questions about which cancers perfusion treats
Is isolated limb perfusion used for melanoma in India?
It is, but only at a few specialist centres, and for a small group of people. It is mainly considered when melanoma has come back as many spots along one arm or leg. Ask your surgical oncologist whether it has been discussed for you, and where it would be done if so.
Can it be used for a sarcoma in the thigh?
Sometimes. A large sarcoma in the thigh that sits close to the main nerve or artery may be treated with perfusion first to shrink it. Many thigh sarcomas are instead treated with radiotherapy and surgery. Your team decides based on the size, position and type of the sarcoma.
Does it work for cancer in the bone?
It is not a standard treatment for cancers that start inside the bone, such as osteosarcoma. Those are usually treated with chemotherapy through a drip and surgery. If a report mentions both bone and soft tissue, ask your team to explain which one the cancer started in.
My father's melanoma has spread to his lungs. Is perfusion still useful?
Perfusion treats only the limb, so it does nothing for disease in the lungs. When cancer has spread to other organs, whole body treatment such as immunotherapy usually comes first. Occasionally perfusion is still used to control painful or bleeding spots in the limb. His team can explain whether that applies.
Can it treat cancer in the hand or foot?
Yes, if the cancer is below the level where the tourniquet can be placed. The whole limb below that point receives the drug. Spots very high on the thigh, in the groin or near the shoulder are harder to reach, because the tourniquet cannot sit above them.
What is the difference between perfusion and infusion?
Perfusion is an open operation on the main blood vessels, with a pump and oxygen. Infusion uses thin tubes passed in through the groin, with no pump, and is shorter and simpler. Infusion is sometimes chosen for older or less fit patients. Each has its own strengths, and the team picks one for your situation.
Can it be repeated if the cancer comes back?
In some cases, yes. If spots return in the same limb and the cancer is still confined there, a second perfusion or an infusion may be discussed. It depends on how the limb coped the first time and on what other treatments are available by then.
Is it covered by Aarogyasri or my insurance?
Cover depends on the scheme, the centre and whether the procedure is listed in your package. Aarogyasri, CGHS, ECHS, EHS and cashless insurance each have their own rules. Call the helpline with your card details, and we will help you check what your own cover includes before any plans are made.
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Sources
- National Cancer Institute — Melanoma Treatment (PDQ) - Health Professional Version
- National Cancer Institute — Adult Soft Tissue Sarcoma Treatment (PDQ) - Patient Version
- Cancer Research UK — Melanoma
- American Cancer Society — Soft Tissue Sarcoma
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.
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