Mohs surgery removes a skin cancer one layer at a time. The doctor checks each layer for cancer cells until no more cancer is found.
This method lets the doctor save as much healthy tissue as possible.
This surgery is mostly used for areas of skin you can see or where scarring is a bigger concern, such as on the ears, nose, or eyelids.
It is also used for skin cancer that is likely to return, is growing fast, or has a high risk of spreading.
You will be awake during the surgery. Your doctor will give you medicine to numb the area so you will not feel pain. When the skin is numb, your doctor will start to remove the cancer and a small amount of healthy tissue, one layer of skin at a time.
Each layer of tissue is checked right away under a microscope. If cancer is found, another layer is removed and checked. Layers are removed until no more cancer is found. The procedure may take a few hours or could last a full day.
You will have a scar that fades with time. If your wound is large, your doctor may need to take a thin sheet of healthy skin from another part of your body. This sheet of skin can be used to cover the area where the cancer was removed. The doctor will try to use healthy skin from an area that is usually covered by clothes or is not easily seen.
You should be able to return to your normal routine on the same day or the day after the surgery. But your doctor may ask you to limit activity until your follow-up appointment in 1 to 2 weeks. Some soreness, swelling, or bruising is normal.
Your doctor may recommend over-the-counter or prescription medicines to help with pain. Most wounds take 1 to 3 weeks to heal.
You may have stitches that will be removed in a week or two. If you have the type of stitches that dissolve, they do not have to be removed. They will disappear on their own.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
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Current as of:
July 26, 2016
Adam Husney, MD - Family Medicine
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