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Let's learn about electrosurgery in a simple way!

Let's learn about electrosurgery in a simple way!

When you go to a doctor to remove a small mole or tumor from your skin, you may have seen him or her 'scrape' it with a small instrument. At that time, you may smell a little smoke and a burning smell. Many people think that this is a laser treatment. But it is actually a special treatment that uses electricity. We call this electrosurgery. Although the name may sound a little scary, this is a very safe and advanced medical technology. Today, we will talk about it simply.

Simply put, what is electrosurgery?

Electrosurgery is simply the use of controlled electrical currents to perform surgery. It can accomplish three main things:

1. Cutting: This method is used to cut tissue, just like a surgical knife.

2. Destroying tissue: Used to destroy an unwanted growth on the skin, such as a mole or a wart.

3. Stopping bleeding: This is used to instantly stop bleeding by 'sealing' a blood vessel that is bleeding from a cut.

There is a special machine called an Electrosurgical Unit (ESU) for this purpose. The electricity from this machine is connected to a small device called an electrode that the doctor uses. When this electrode is placed near your treatment area (for example, your armpit), the intense heat generated by the electricity destroys or cuts the tissue in question.

Think about it, the damage this does is actually healing damage. That is, it removes unnecessary things, stops bleeding, and helps the body heal.

What are the different methods of this treatment?

This electrosurgery method is not done in just one way. There are various methods used depending on the need. Let's look at these in this way to make them easier to understand.

Method name How is it done and what is it used for?
Electrofulguration Here, the electrode is not directly touching the skin. It is placed a few millimeters above it and creates an electric spark. This only changes the top layer of the skin.
Electrodessication Here, the electrode is placed directly on the area being treated. The electricity passes through the tissue and 'drys' it out. This method is often used to remove warts.
Electrocoagulation This can cause some damage to deeper tissues. It mainly promotes blood clotting and stops bleeding.
Electrosection This allows for very precise tissue cutting. It can be as easy as cutting a piece of butter with a hot knife, with minimal bleeding.

Is electrocautery different?

Yes, there is a slight difference. Many people confuse the two. In the above methods, electricity passes through the body's tissues. But in electrocautery, electricity is used to heat only the tip of the electrode. Then, the heated tip is applied to the tissue to destroy the tissue. Here, electricity does not pass through the body.

What conditions is electrosurgery used for?

This technology is used in many fields of medicine.

  • For skin diseases: This is most commonly used by dermatologists. It is very effective in removing benign skin growths, warts, and skin tags.
  • For skin cancer: This method is also used to treat some types of skin cancer, such as basal cell carcinoma and squamous cell carcinoma. This involves first scraping away the cancerous layer with a sharp instrument (curettage), and then electrosurgery to destroy any remaining cancer cells.
  • Other surgeries: This method is used in surgeries such as endoscopy (using a camera to look inside the body) to remove small tumors and polyps inside the body and to stop bleeding.

What actually happens during treatment?

First, you are given anesthesia to numb the area so you don't feel any pain. What happens next depends on the method used. There are two main methods.

Monopolar method

This is the method most often used. "Mono" means "one". This means that only one electrode tip is applied to your body.

  • Electricity from the ESU machine comes to the active electrode.
  • When this electrode is touched to the treatment area, electricity travels through the tissues of your body.
  • The electricity then travels to a passive electrode (dispersive electrode) that is attached to another part of the body. This is like an "earth plate." This could be a pad that you stick to your thigh.
  • Finally, the electricity from that inactive electrode goes back to the ESU machine, completing the circuit.

Bipolar method

"Bi" means "two." Here, two electrode tips are applied to your body. Think of it as a forceps-like device. Electricity enters from one side and exits from the other.

  • Electricity from the ESU machine comes to the working electrode.
  • The electricity travels through the tissue and goes to the electrode on the other side of the same hole.
  • The electricity doesn't travel far through the body, it just travels between the two ends of the needle and then back to the ESU machine. This is used for very delicate surgeries.

What are the advantages of this treatment method?

This method has several advantages over cutting with a regular surgical knife.

  • There is very little damage to surrounding tissue, and only the targeted area can be treated.
  • Scarring is very rare.
  • Can quickly destroy (ablate) tissue.
  • Bleeding can be stopped instantly. This is one of the biggest advantages.

When this method is used for skin cancer, there is a high cure rate of 90% - 95%.

Are there any risks in this?

Electrosurgery is a very safe procedure when performed by an experienced doctor. However, as with any medical procedure, there are some minor risks. Let's take a look at what doctors do to prevent them.

Risk What do doctors do to prevent it?
Burns If the power of the electric current is too high, burns can occur. Doctors always prevent this by starting with the lowest power necessary and using the correct settings.
Electric shock This risk exists if the electricity is not properly grounded. The medical team is very careful about this and ensures that the equipment is installed correctly.
Infections Germs can be spread by using unsterilized equipment. Also, the smoke generated during treatment can spread germs. For this reason, doctors always use sterilized equipment and perform these treatments in rooms with smoke ventilation.
Skin discoloration (Hypopigmentation) After some deep treatments, the skin in that area may be slightly lighter than the surrounding skin. If there is a risk, your doctor will inform you about this before treatment.
Effects on devices implanted in the body People with implanted devices such as pacemakers and defibrillators may be affected by this electricity. If you have such a device, you should definitely tell your doctor about it. He or she will then take the necessary safety precautions.

How long will it take to heal? When should I see a doctor?

The healing time depends on the depth of the treatment.

  • If a small growth on the skin, such as a mole, is removed, it can take about a week for the wound to heal.
  • If it's a deeper wound, it could take two to four weeks or more.

The doctor will explain to you the recovery time based on your condition.

When to call your doctor:

If, after a skin treatment, you have applied pressure to the wound for 20 minutes and the bleeding does not stop , you should definitely call your doctor. Also, if the wound shows signs of infection (such as redness, swelling, pus) and is not healing as expected, seek medical advice immediately.

Is this the same as laser surgery?

No. These are two completely different technologies.

  • Electrosurgery uses electrical energy .
  • Laser surgery uses light energy .

Although both of these techniques can cut, destroy tissue, and stop bleeding, the principles on which they operate are different.

Ultimately, electrosurgery is a safe and effective way to treat a variety of conditions using the healing power of heat. You may be able to see this while your tumor is being removed. You may not even be aware that this technique was used because you are under anesthesia during a major procedure, such as an endoscopy. However, remember that doctors are working diligently to keep you safe during this treatment.

Take-Home Message

  • Electrosurgery is a treatment that uses controlled electricity. This is not a laser treatment.
  • It is used for a wide range of things, from removing a small skin tag to stopping bleeding during major surgery.
  • When performed by a trained, experienced doctor, this is a very safe treatment method.
  • If you have a device implanted in your body, such as a pacemaker, be sure to tell your doctor about it before treatment.
  • If you experience excessive bleeding, signs of infection, or delayed healing after treatment, notify your doctor immediately.

Electrosurgery, skin tumors, warts, electrosurgery, dermatology, surgery

⚠️ Important: The medical articles and information on Nirogi Lanka are for general awareness only, and are by no means a substitute for professional medical advice, diagnosis, or treatment. For any medical problem you have, consult a qualified physician immediately.

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Let's learn about electrosurgery in a simple way!
SurgeriesJuly 7, 2026

Let's learn about electrosurgery in a simple way!

When you go to a doctor to remove a small mole or tumor from your skin, you may have seen him or her 'scrape' it with a small instrument. At that time, you may smell a little smoke and a burning smell. Many people think that this is a laser treatment. But it is actually a special treatment that uses electricity. We call this electrosurgery. Although the name may sound a little scary, this is a very safe and advanced medical technology. Today, we will talk about it simply.

Simply put, what is electrosurgery?

Electrosurgery is simply the use of controlled electrical currents to perform surgery. It can accomplish three main things:

1. Cutting: This method is used to cut tissue, just like a surgical knife.

2. Destroying tissue: Used to destroy an unwanted growth on the skin, such as a mole or a wart.

3. Stopping bleeding: This is used to instantly stop bleeding by 'sealing' a blood vessel that is bleeding from a cut.

There is a special machine called an Electrosurgical Unit (ESU) for this purpose. The electricity from this machine is connected to a small device called an electrode that the doctor uses. When this electrode is placed near your treatment area (for example, your armpit), the intense heat generated by the electricity destroys or cuts the tissue in question.

Think about it, the damage this does is actually healing damage. That is, it removes unnecessary things, stops bleeding, and helps the body heal.

What are the different methods of this treatment?

This electrosurgery method is not done in just one way. There are various methods used depending on the need. Let's look at these in this way to make them easier to understand.

Method name How is it done and what is it used for?
Electrofulguration Here, the electrode is not directly touching the skin. It is placed a few millimeters above it and creates an electric spark. This only changes the top layer of the skin.
Electrodessication Here, the electrode is placed directly on the area being treated. The electricity passes through the tissue and 'drys' it out. This method is often used to remove warts.
Electrocoagulation This can cause some damage to deeper tissues. It mainly promotes blood clotting and stops bleeding.
Electrosection This allows for very precise tissue cutting. It can be as easy as cutting a piece of butter with a hot knife, with minimal bleeding.

Is electrocautery different?

Yes, there is a slight difference. Many people confuse the two. In the above methods, electricity passes through the body's tissues. But in electrocautery, electricity is used to heat only the tip of the electrode. Then, the heated tip is applied to the tissue to destroy the tissue. Here, electricity does not pass through the body.

What conditions is electrosurgery used for?

This technology is used in many fields of medicine.

  • For skin diseases: This is most commonly used by dermatologists. It is very effective in removing benign skin growths, warts, and skin tags.
  • For skin cancer: This method is also used to treat some types of skin cancer, such as basal cell carcinoma and squamous cell carcinoma. This involves first scraping away the cancerous layer with a sharp instrument (curettage), and then electrosurgery to destroy any remaining cancer cells.
  • Other surgeries: This method is used in surgeries such as endoscopy (using a camera to look inside the body) to remove small tumors and polyps inside the body and to stop bleeding.

What actually happens during treatment?

First, you are given anesthesia to numb the area so you don't feel any pain. What happens next depends on the method used. There are two main methods.

Monopolar method

This is the method most often used. "Mono" means "one". This means that only one electrode tip is applied to your body.

  • Electricity from the ESU machine comes to the active electrode.
  • When this electrode is touched to the treatment area, electricity travels through the tissues of your body.
  • The electricity then travels to a passive electrode (dispersive electrode) that is attached to another part of the body. This is like an "earth plate." This could be a pad that you stick to your thigh.
  • Finally, the electricity from that inactive electrode goes back to the ESU machine, completing the circuit.

Bipolar method

"Bi" means "two." Here, two electrode tips are applied to your body. Think of it as a forceps-like device. Electricity enters from one side and exits from the other.

  • Electricity from the ESU machine comes to the working electrode.
  • The electricity travels through the tissue and goes to the electrode on the other side of the same hole.
  • The electricity doesn't travel far through the body, it just travels between the two ends of the needle and then back to the ESU machine. This is used for very delicate surgeries.

What are the advantages of this treatment method?

This method has several advantages over cutting with a regular surgical knife.

  • There is very little damage to surrounding tissue, and only the targeted area can be treated.
  • Scarring is very rare.
  • Can quickly destroy (ablate) tissue.
  • Bleeding can be stopped instantly. This is one of the biggest advantages.

When this method is used for skin cancer, there is a high cure rate of 90% - 95%.

Are there any risks in this?

Electrosurgery is a very safe procedure when performed by an experienced doctor. However, as with any medical procedure, there are some minor risks. Let's take a look at what doctors do to prevent them.

Risk What do doctors do to prevent it?
Burns If the power of the electric current is too high, burns can occur. Doctors always prevent this by starting with the lowest power necessary and using the correct settings.
Electric shock This risk exists if the electricity is not properly grounded. The medical team is very careful about this and ensures that the equipment is installed correctly.
Infections Germs can be spread by using unsterilized equipment. Also, the smoke generated during treatment can spread germs. For this reason, doctors always use sterilized equipment and perform these treatments in rooms with smoke ventilation.
Skin discoloration (Hypopigmentation) After some deep treatments, the skin in that area may be slightly lighter than the surrounding skin. If there is a risk, your doctor will inform you about this before treatment.
Effects on devices implanted in the body People with implanted devices such as pacemakers and defibrillators may be affected by this electricity. If you have such a device, you should definitely tell your doctor about it. He or she will then take the necessary safety precautions.

How long will it take to heal? When should I see a doctor?

The healing time depends on the depth of the treatment.

  • If a small growth on the skin, such as a mole, is removed, it can take about a week for the wound to heal.
  • If it's a deeper wound, it could take two to four weeks or more.

The doctor will explain to you the recovery time based on your condition.

When to call your doctor:

If, after a skin treatment, you have applied pressure to the wound for 20 minutes and the bleeding does not stop , you should definitely call your doctor. Also, if the wound shows signs of infection (such as redness, swelling, pus) and is not healing as expected, seek medical advice immediately.

Is this the same as laser surgery?

No. These are two completely different technologies.

  • Electrosurgery uses electrical energy .
  • Laser surgery uses light energy .

Although both of these techniques can cut, destroy tissue, and stop bleeding, the principles on which they operate are different.

Ultimately, electrosurgery is a safe and effective way to treat a variety of conditions using the healing power of heat. You may be able to see this while your tumor is being removed. You may not even be aware that this technique was used because you are under anesthesia during a major procedure, such as an endoscopy. However, remember that doctors are working diligently to keep you safe during this treatment.

Take-Home Message

  • Electrosurgery is a treatment that uses controlled electricity. This is not a laser treatment.
  • It is used for a wide range of things, from removing a small skin tag to stopping bleeding during major surgery.
  • When performed by a trained, experienced doctor, this is a very safe treatment method.
  • If you have a device implanted in your body, such as a pacemaker, be sure to tell your doctor about it before treatment.
  • If you experience excessive bleeding, signs of infection, or delayed healing after treatment, notify your doctor immediately.

Electrosurgery, skin tumors, warts, electrosurgery, dermatology, surgery

⚠️ Important: The medical articles and information on Nirogi Lanka are for general awareness only, and are by no means a substitute for professional medical advice, diagnosis, or treatment. For any medical problem you have, consult a qualified physician immediately.

💬 Comments (0)

No comments yet. Be the first to share your thoughts here.

Add Your Comment

Please calculate: 6 + 7 =