Surgical excision of skin growths is a common medical procedure that helps remove abnormal tissue from the skin’s surface. Whether dealing with cancer or benign lesions, understanding the treatment process can ease anxiety and prepare patients for what lies ahead.

Treating Skin Growths Through Surgical Removal

When a doctor finds an unusual growth or lesion on your skin, the treatment plan often centers on completely removing it. The main goal is to take away all abnormal cells while keeping as much healthy skin as possible. This approach helps prevent the problem from coming back and allows doctors to examine the tissue closely under a microscope to confirm exactly what it is.^[1]

The type of treatment you receive depends on many factors. Your doctor will consider where the growth is located, how large it appears, what kind of cells are involved, and your overall health. Some people need only a quick office visit with numbing medicine, while others require more extensive surgery. The good news is that many of these procedures are done right in a doctor’s office or outpatient center, so you can usually go home the same day.^[2]

There are well-established methods that doctors have used successfully for years. At the same time, medical researchers continue studying new ways to improve outcomes and reduce side effects. Understanding both the standard approaches and emerging techniques helps patients make informed choices about their care.^[3]

Standard Surgical Approaches for Removing Skin Lesions

Several established techniques exist for removing growths from the skin. Each method has specific uses depending on what needs to be removed and where it’s located on your body. The choice of technique affects how the wound heals, how long recovery takes, and what the scar might look like.^[3]

Shave Excision

This technique works best for growths that stick up from the skin or sit in the upper layers. The doctor uses a small blade to carefully remove the outermost layers after numbing the area. The removed portion includes all or part of the growth. You typically don’t need stitches afterward. Instead, the doctor applies medicine to stop any bleeding or uses a technique called cautery, which seals blood vessels using heat. Neither of these methods should hurt because the area remains numb.^[3]

Simple Scissor Excision

For certain raised lesions, doctors use a straightforward scissor technique. The doctor gently grasps the growth with small forceps and carefully cuts around and underneath it with curved scissors. Sometimes a curette – a spoon-shaped instrument – helps remove any remaining bits. Like shave excision, this method rarely needs stitches. The wound is treated with medicine or cautery to control bleeding.^[3]

Full-Thickness Skin Excision

When a growth extends deeper into the skin, or when cancer is suspected, a full-thickness removal becomes necessary. This procedure goes down through all skin layers into the fatty tissue beneath. The doctor removes not just the visible lesion but also a border of normal-looking skin around it. This border, called a margin, typically measures about 2 to 4 millimeters and helps ensure that all potentially harmful cells are removed.^[4]

The removed area is usually shaped like a football or ellipse because this shape makes it easier to close the wound with stitches. For common skin cancers like basal cell carcinoma and squamous cell carcinoma, removing a standard margin leads to cure rates of approximately 95%. If a large area must be removed, the doctor might use a skin graft – a patch of skin taken from another part of your body – to cover the wound.^[4]

Curettage and Electrodesiccation

This procedure combines scraping and burning to treat certain skin cancers. The doctor uses a curette to scoop out the cancerous tissue, then applies an electric current through a process called electrodesiccation to destroy any remaining abnormal cells. This technique works well for smaller, less aggressive cancers and offers cure rates of approximately 95% for suitable cases.^[4]

Cryotherapy

Cryotherapy uses extreme cold to destroy unwanted tissue. The doctor applies liquid nitrogen either with a cotton swab dipped in the freezing liquid, through a spray canister, or via a special probe. This approach commonly treats warts, certain types of pre-cancerous spots called actinic keratoses, and other benign growths. The freezing causes some discomfort, though doctors can apply numbing medicine first. Afterward, the treated area often blisters and a scab forms, which falls off naturally within one to three weeks.^[3]

Laser Excision

Lasers use focused light beams to treat specific types of cells. The intense light heats the targeted cells until they burst. Different lasers exist for different purposes, and doctors choose the appropriate one based on what needs treatment. Lasers can remove benign growths, pre-cancerous spots, warts, moles, sun damage, small blood vessels, unwanted hair, and even tattoos.^[3]

Mohs Micrographic Surgery

Mohs surgery represents a specialized technique that removes skin cancer in stages. The surgeon cuts away the visible tumor along with a thin margin of surrounding tissue. That tissue is immediately examined under a microscope while you wait. If cancer cells appear at any edge, the surgeon removes another thin layer from just that area and examines it. This process continues until no cancer cells remain at any margin. Mohs surgery achieves cure rates up to 99% for common skin cancers and proves especially valuable for growths on the face, hands, feet, or other areas where preserving healthy tissue matters greatly.^[11]

Unlike standard excision where less than 1% of margins are checked, Mohs surgery examines 100% of the deep and side margins. This comprehensive approach explains its exceptional success rate. The procedure happens in a doctor’s office or outpatient center, and you wait between stages while slides are prepared and examined.^[11]

What Happens During a Surgical Excision

Understanding the step-by-step process can help reduce anxiety about the procedure. Most excisions follow a similar pattern, though the exact details vary based on what’s being removed and where it’s located.^[5]

Before the Procedure

Your doctor will examine the area and discuss your medical history. This conversation covers any medications you take, allergies you have, and previous surgeries you’ve undergone. The doctor explains what to expect and answers your questions. For most small excisions, you won’t need any special preparation. For larger procedures, you might receive instructions about eating, drinking, or adjusting your medications.^[6]

Anesthesia

For most skin excisions, doctors use local anesthesia – medicine injected into the area to numb it completely. You remain awake and aware but feel no pain. You might feel slight pressure or a scraping sensation, but these shouldn’t hurt. The injection itself causes a brief sting or burning feeling that quickly passes. For larger growths, especially melanomas, you might need general anesthesia, which means you’re asleep or heavily sedated throughout the procedure.^[1]

The Removal Process

Once the area is numb, the doctor marks the area to be removed with a surgical marker. This marking includes both the visible lesion and the margin of healthy-looking tissue around it. For standard excisions, the doctor also marks additional areas that must be removed to allow the wound to close properly. The shape is typically elliptical rather than circular because this allows the wound edges to come together more naturally, resulting in a flatter scar.^[4]

The doctor then cuts around and under the growth using a scalpel or other surgical instrument. Some minor bleeding may occur, which the doctor controls by cauterizing the area. Although you might hear the buzzing sound of the cautery device, you won’t feel it because the area remains numb. If you do feel any discomfort, tell your doctor immediately – additional numbing medicine can be given.^[4]

Closing the Wound

After removing the tissue, the doctor closes the wound, typically using two layers of stitches. The deeper layer uses absorbable stitches that dissolve on their own and don’t need removal. The top layer uses non-absorbable stitches that must be taken out later. For most body areas, stitches come out in about two weeks. For the face, they’re usually removed after one week because facial skin heals faster.^[4]

The three-dimensional gap left by removing tissue becomes a linear scar when closed with stitches. On average, the final scar measures three to four times the diameter of the original growth. This happens because removing an ellipse of skin creates a longer line than removing a circle. For cysts, the scar length typically equals about the cyst’s diameter.^[15]

Recovery and Aftercare

Taking proper care of your wound after surgery helps it heal well, reduces the risk of infection, and can minimize scarring. Most surgical sites heal without complications when patients follow their doctor’s instructions.^[7]

Immediate Post-Procedure Care

After the procedure, you’ll have a bandage covering the wound. Keep this bandage dry for the first 24 to 48 hours unless your doctor gives different instructions. The numbing medicine usually wears off within one to two hours, after which you might feel tenderness around the surgical site. Most people describe the pain as mild – easily managed with over-the-counter pain relievers like acetaminophen (often called “Tylenol level” pain). Your doctor will recommend appropriate pain medicine for your situation.^[9]

Wound Care at Home

After the initial 24 to 48 hours, you can gently wash the area with clean, soapy water. Pat it dry carefully – don’t rub. You can shower, but avoid soaking the wound in a bath for at least two weeks or until your doctor says it’s okay. Many doctors recommend applying a thin layer of petroleum jelly and covering the area with a clean bandage. Change the bandage as needed.^[12]

Avoid using hydrogen peroxide or alcohol on the wound. While these products kill germs, they also damage healing tissue and can slow recovery. Plain soap and water work better for cleaning surgical wounds.^[14]

Healing Timeline

Most excision wounds heal within one to three weeks after the procedure. If a skin graft or flap was needed to close a larger wound, healing may take up to two months. The area will likely appear slightly pink, tender, and swollen initially. This is normal. The affected site may remain red and inflamed for up to a month but gradually lightens over time. The scar should continue fading for months afterward.^[2]

Your doctor may give you specific instructions about when you can return to normal activities like driving, working, or exercising. If you have stitches, avoid strenuous activity that might pull on the wound and cause it to reopen. If a skin graft was used, avoid exercises that stretch the graft for at least three weeks unless instructed otherwise.^[19]

Scarring

Surgical excision almost always leaves a scar. The scar’s size typically matches the length of the incision. Before your procedure, talk with your doctor about what the scar might look like and how to care for it to minimize its appearance. Proper wound care, avoiding sun exposure on the healing area, and following all aftercare instructions help reduce scarring. Scars on the face and other visible areas receive special attention from surgeons who aim to align incisions with natural skin creases when possible.^[7]

Effectiveness and Success Rates

The success of skin lesion removal depends on several factors including the type of lesion, its location, how deeply it extends into the skin, and whether it has spread to other areas. For most common skin cancers treated with appropriate margins, surgical excision offers excellent cure rates.^[8]

For basal cell carcinoma and squamous cell carcinoma, standard excision with margins of 2 to 4 millimeters achieves cure rates of approximately 95%. By comparison, Mohs surgery provides cure rates of about 99% for these same cancers. Other treatments like electrodesiccation and curettage yield similar cure rates to standard excision. The choice between methods depends on the cancer’s characteristics and location.^[4]

For melanoma, success varies depending on many factors that the pathologist identifies after removal. Most patients with thin melanomas can be cured with a wide excision alone. Thicker melanomas or those with certain high-risk features may require additional treatment beyond surgery.^[12]

It’s important to understand that having one skin cancer removed increases your risk of developing another one. People who have had basal cell carcinoma or squamous cell carcinoma have about a ten-fold increase in their risk of developing another skin cancer compared to someone who has never had one. This makes regular follow-up skin checks essential even after successful treatment.^[13]

Choosing Between Treatment Options

When deciding between different surgical approaches, doctors consider multiple factors. For growths called nevi (moles) and for melanoma, standard surgical excision is usually preferred over Mohs surgery. This is because the cells that make up moles and melanoma – called melanocytes – show up better when examined using the “permanent sections” prepared after standard excision rather than the “frozen sections” used in Mohs surgery.^[15]

Mohs surgery works best for cancers that grow in a continuous pattern without skip areas. Non-melanoma skin cancers like basal cell carcinoma and squamous cell carcinoma typically grow this way. Melanoma, however, sometimes forms separate nests of cancer cells that aren’t connected to each other, making Mohs less reliable for this cancer type.^[15]

Location also matters. Mohs surgery is generally performed on areas where cosmetic appearance is very important – such as the face, scalp, hands, neck, and feet – or for particularly aggressive or recurring cancers. On other body areas like the arms or thighs, where preserving every millimeter of healthy tissue is less critical, standard excision often makes more sense. Compared with Mohs surgery, standard excisions save time for both patient and doctor.^[4]

Risks and Complications

Like any surgical procedure, skin excisions carry some risks, though serious complications are uncommon. Understanding potential problems helps you watch for warning signs and seek help if needed.^[12]

Common risks include scarring, which occurs with virtually all excisions. The scar’s appearance depends on the incision’s size and location, your skin type, and how well you care for the wound during healing. Bleeding or swelling at the surgical site can occur but usually resolves quickly. Some pain or discomfort is normal and typically responds to over-the-counter pain relievers.^[12]

Infection represents a more serious risk. Signs include increasing redness, warmth, swelling, or pus at the wound site, along with fever. Modern surgical techniques and proper wound care keep infection rates low, but any signs of infection require prompt medical attention. Nerve damage can occur but is rare with most skin excisions. The incision might open after surgery if subjected to too much tension or movement, which is why doctors recommend limiting strenuous activity during healing.^[12]

Very rarely, people have allergic reactions to the local anesthetic or other medications used during the procedure. Tell your doctor about any medication allergies before the procedure begins.^[6]

Special Considerations for Different Lesion Types

The approach to removal varies depending on what’s being removed. For melanoma diagnosed from a biopsy, you will likely need a wide excision to remove the entire tumor plus a margin determined by the melanoma’s thickness and other characteristics. The margin size affects how much healthy skin must be removed. For thin melanomas, a smaller margin may suffice, while thicker ones require wider margins.^[13]

For low-risk basal cell or squamous cell carcinomas, standard excision with typical margins works well. For higher-risk versions of these cancers, the cancer is more likely to come back after surgery. Doctors may recommend removing wider margins of healthy tissue or using Mohs surgery instead. A pathologist may test the tissue during surgery to ensure all abnormal cells were removed.^[12]

For atypical or suspicious moles, excision includes a margin of normal-appearing skin to maximize the chance of complete removal. These rarely develop into skin cancer after surgical excision, with cure rates exceeding 99%.^[15]

For cysts, the goal is to remove the entire cyst capsule if possible. When most or all of the capsule comes out, cure rates exceed 90%. If the capsule breaks or isn’t completely removed, the cyst may grow back.^[15]

Follow-Up Care and Monitoring

After successful removal of a skin lesion, follow-up care remains important. Your doctor will schedule appointments to check how the wound is healing and to examine the pathology results when they arrive. These results confirm what was removed and whether margins were clear.^[14]

For people who have had skin cancer, regular skin checks become essential. Your doctor may recommend full-body skin examinations at specific intervals – perhaps every few months initially, then less frequently if no new problems appear. You should also perform self-examinations at home, watching for any new growths, changing moles, or areas that don’t heal. Early detection of any recurrence or new skin cancer improves treatment outcomes.^[22]

Protecting your skin from further sun damage is crucial. This means wearing protective clothing, using broad-spectrum sunscreen with adequate SPF, avoiding peak sun hours when possible, and never using tanning beds. These measures help reduce your risk of developing additional skin cancers.^[22]

Most Common Treatment Methods

• Surgical Excision (Full-Thickness)
  • Removes the entire lesion along with a margin of healthy tissue, going deep into the fatty layer if needed
  • Typically shaped like an ellipse to allow easier closure with stitches
  • Achieves cure rates of approximately 95% for basal cell and squamous cell carcinomas
  • The removed tissue is sent to a laboratory for microscopic examination
  • Most procedures are done in a doctor’s office with local anesthesia
• Mohs Micrographic Surgery
  • Removes cancer in stages, examining each layer under a microscope immediately
  • Checks 100% of the margins compared to less than 1% with standard excision
  • Achieves cure rates up to 99% for common skin cancers
  • Preserves the maximum amount of healthy tissue
  • Preferred for cancers on the face, hands, feet, and other cosmetically important areas
• Shave Excision
  • Uses a small blade to remove the outermost layers of skin
  • Works for lesions that rise above the skin or are in the upper skin layers
  • Usually doesn’t require stitches
  • Bleeding is stopped with medicine or cautery
• Curettage and Electrodesiccation
  • Scrapes away cancerous tissue with a curette
  • Treats the area with electric current to destroy remaining cells
  • Suitable for smaller, less aggressive skin cancers
  • Cure rates of approximately 95% for appropriate cases
• Cryotherapy
  • Uses liquid nitrogen to freeze and destroy unwanted tissue
  • Applied with a cotton swab, spray canister, or probe
  • Commonly treats warts, actinic keratoses, and benign growths
  • A blister forms and scab develops, falling off within one to three weeks
• Laser Excision
  • Uses focused light beams to heat and destroy specific cells
  • Different laser types target different tissue types
  • Can remove benign growths, pre-cancerous spots, warts, moles, sun damage, small blood vessels, hair, and tattoos