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Wide local excision under local anaesthetic | CION Cancer Clinics
Many wide local excisions on the skin can be done under local anaesthetic, with only the area numbed while you stay awake. It usually suits smaller excisions that can be stitched straight together. Large or deep excisions, grafts, flaps and lymph gland tests usually need sedation or general anaesthetic. This page explains how the choice is made, what you will feel and what happens afterwards. CION Cancer Clinics’ surgical oncologists in Hyderabad can talk this through with you.
MI
Medically reviewed by Dr. Mohammed ImaduddinConsultant Surgical Oncologist · MBBS, MS (General Surgery), MCh (Surgical Oncology) · last reviewed September 2026, next review due September 2027
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On this page
- Can a wide local excision be done under local anaesthetic?
- When does local anaesthetic work, and when is sleep needed?
- What happens during the operation itself?
- What do the anaesthetic terms on your form mean?
- What do families worry about with local anaesthetic?
- What should you expect in the first days after?
- Common questions about wide excision under local anaesthetic
The short answer
Can a wide local excision be done under local anaesthetic?
Yes, often. Many wide local excisions on the skin are done with an injection that numbs only the area, while you stay awake. Whether it suits you depends on where the cancer is, how much tissue has to come out and how the wound will be closed.
What local anaesthetic actually means
The surgeon injects a numbing medicine, such as lignocaine, into the skin around the scar from your biopsy. It stings for a few seconds. After that the area goes numb. You will still feel pushing, pulling and pressure, but you should not feel sharp pain. If you do, you say so and more numbing medicine is given.
Why a surgeon may choose it
You do not need to be put to sleep, so there is no breathing tube and usually no overnight stay. Older people, and people with heart or lung problems, can avoid some of the strain of a general anaesthetic. You can usually eat a light meal beforehand, but follow what your own team tells you, because some centres still ask you to fast.
What this page cannot tell you
It cannot tell you which kind of anaesthetic is right for your operation. That depends on your scans, your biopsy report and your general health, and your surgeon and anaesthetist decide it together with you.
Local anaesthetic numbs the wound only. It does not change how much tissue is removed or how safe the margin is.Who it suits
When does local anaesthetic work, and when is sleep needed?
These are the things a surgical team weighs. They are a guide to the conversation, not a decision for your case.
Usually suits local
A small or medium excision on the skin of the arm, leg, back or chest, where the wound can be stitched straight together.
Common examples
- Re-excision of a thin melanoma scar
- Basal cell or squamous cell skin cancers
- Small lesions where no graft is planned
Often needs sleep or sedation
A large excision, a deep one that goes down to muscle, or one that needs a skin graft or flap to close. The same applies when lymph glands are being checked in the same operation.
A sentinel lymph node biopsy, the test of the first gland the cancer would drain to, is usually done asleep.Sites that need more thought
The face, eyelid, ear, scalp, hands, feet and genital skin are very sensitive and close to important structures. Local anaesthetic is still often possible, but the team may add a nerve block or light sedation.
Who it does not suit
People who cannot lie still for the time needed, people with severe anxiety, some people with dementia, and children. Soft tissue sarcomas deep in a limb are nearly always removed under general anaesthetic.
Not sure whether this applies to you?
Ask an oncologistOn the day
What happens during the operation itself?
Checks and marking
A nurse checks your medicines, allergies and blood-thinner use. The surgeon marks the area and the planned margin on your skin with a pen. Wear loose clothes that are easy to change out of.
Cleaning and numbing
The skin is cleaned and covered with sterile sheets. The numbing injection is given slowly around the area. The surgeon tests the skin before starting and waits until it is fully numb.
Removing the tissue
The surgeon cuts out the scar or lesion with its rim of healthy tissue. You may hear the instruments and notice a burning smell from the tool that seals small blood vessels. Both are normal.
Closing and dressing
The wound is stitched, usually in layers, and covered with a dressing. The tissue is sent to the laboratory. You rest for a short while and then, in most cases, go home the same day with someone to accompany you.
Words you will hear
What do the anaesthetic terms on your form mean?
- Local anaesthetic
- Numbing medicine injected into the area being operated on. You stay fully awake.
- Nerve block
- Numbing medicine placed near a nerve so that a whole region, such as a hand or foot, goes numb.
- Sedation
- Medicine through a drip that makes you relaxed and drowsy. You breathe on your own and may remember little afterwards.
- General anaesthetic
- You are fully asleep and an anaesthetist looks after your breathing for the whole operation.
- Day case
- You come in and go home on the same day, without an overnight stay.
- Margin
- The rim of healthy tissue removed around the cancer. A clear margin means no cancer cells were seen at the edge.
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Commonly believed
What do families worry about with local anaesthetic?
"If I am awake, it must be a smaller or less serious operation."
The anaesthetic does not decide the size of the excision. The margin is set by the type of cancer and the biopsy report. A wide excision under local anaesthetic removes the same tissue it would under general anaesthetic.
"I will feel everything the surgeon does."
You will feel touch and pressure, but the sharp feeling of cutting should be blocked. The surgeon checks the numbness before starting. If anything hurts during the operation, tell the team straight away and more medicine can be given.
"General anaesthetic is always the safer choice for elderly parents."
Often it is the other way round. For a small skin excision, staying awake avoids the effects of being put to sleep on the heart, lungs and memory. The anaesthetist looks at the whole person before advising either way.
"Once the numbness wears off, the pain will be severe."
Most people describe soreness rather than severe pain, and simple painkillers usually manage it. Taking the first dose before the numbness fades helps. Pain that keeps getting worse is a reason to call the team.
Going home
What should you expect in the first days after?
The numbness usually wears off within a few hours. After that the wound is sore, and it may bruise or swell a little. Keep the dressing dry and in place until the team tells you otherwise.
Who should come with you
Bring an adult who can take you home. You will be awake and alert, but a wound on a leg or foot makes driving or riding a two-wheeler unsafe. If you were given sedation, you should not travel alone or sign important papers for the rest of that day.
Medicines and blood thinners
If you take aspirin, clopidogrel, warfarin or a newer blood thinner, tell the surgeon well before the date. Do not stop any of them on your own. The doctor who prescribed it and your surgeon will decide together whether it is paused, and for how long.
When to call the team
Call if the wound keeps bleeding through the dressing after firm pressure, if redness spreads, if pus appears, or if you develop a fever. Stitches are removed at a clinic visit, and the laboratory report on the margin is explained at the same visit or soon after.
Questions we are asked
Common questions about wide excision under local anaesthetic
Can I choose local anaesthetic instead of being put to sleep?
You can ask, and your wishes matter. The final choice depends on the size and site of the excision, whether a graft or lymph gland test is planned, and your health. Tell the surgeon and anaesthetist what worries you about each option, and ask them to explain why they are recommending one over the other.
Will the injection hurt?
It stings or burns briefly as the medicine goes in, rather like an ant bite spreading. Surgeons usually inject slowly and through a very fine needle to reduce this. Within a minute or two the area goes numb. Tell the team if you have ever had a reaction to a dental or skin numbing injection.
Do I need to stop eating before the operation?
For local anaesthetic alone, many centres let you eat a light meal. If there is any chance of sedation, you will be asked to fast. Follow the written instructions from your own centre, because they are based on the plan for your operation, and ask if the letter does not say.
Can I watch or talk during the operation?
Sheets usually screen the operating area from your view. You can talk to the nurse or surgeon, and many people find that helps. Some centres allow quiet music. Try not to move the part being operated on, and say so before you shift position or need to cough.
Is it safe for someone with diabetes or heart disease?
Local anaesthetic is often chosen for exactly these people, because it puts less strain on the body. Your blood sugar, blood pressure and heart medicines are still checked beforehand. Bring your full list of medicines and recent reports so the team can plan around them.
What if the numbing medicine does not work well enough?
More can be given, within safe limits the surgeon works to. Inflamed or infected skin sometimes numbs less well. Rarely, the operation is stopped and rearranged under sedation or general anaesthetic. That is a change of plan, not a failure, and the tissue removal is not rushed.
Can the local anaesthetic cause side effects?
Bruising and brief tingling are common. Some people feel light-headed or their heart races for a moment, especially if the medicine contains adrenaline. True allergy is rare. Serious reactions are uncommon, and the team watches you throughout and is trained to manage them.
Will I need to come back for another operation?
Only if the laboratory finds cancer cells at the edge of what was removed, or the report changes the plan. Your surgeon explains the result at the follow-up visit. A second excision, if needed, can often also be done under local anaesthetic, depending on the site.
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Sources
- NHS — Local anaesthesia
- National Cancer Institute — Wide local excision (NCI Dictionary of Cancer Terms)
- Cancer Research UK — Surgery for melanoma skin cancer
- Macmillan Cancer Support — Melanoma
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.
Keep reading
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Been told you need a wide excision?
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