A punch biopsy involves removing a sample of all of the layers of skin in an area.

Before the sample is taken, the area is thoroughly numbed.

The sample is removed and sent to the lab for examination.

A pathologist analyzes a sample under the microscope

fotostorm / Getty Images

The healthcare provider then stitches up the wound and allows it to heal.

In a punch biopsy, a cylinder of tissue is removed and evaluated.

This provides a sample of all skin layers (epidermis, dermis, and subcutaneous tissue).

It is one of the biopsy techniques that can be done in acolposcopy procedure.

Colposcopy with biopsy is used to helpdetect cancerousorprecancerous cellsif you’ve had an abnormalPap smear.

It also may be used in conditions likegenital warts, noncancerous polyps, or cervical inflammation.

The cervical punch biopsy is usually done with no numbing.

You may feel stinging from the cleaning solution used.

You might also feel a momentary sharp pinch or cramp when the sample is taken.

Remaining relaxed and breathing regularly can help to relieve this somewhat.

Afterward, you may also have a little vaginal bleeding and cramping.

Does the Punch Biopsy Tool Cause Pain?

You will receive an injection of local anesthesia (such as lidocaine) for a skin punch biopsy.

The area will be numb during the procedure itself.

Without this anesthesia, it would hurt.

The injection will likely cause brief stinging.

Afterward, some people may experience some temporary sensitivity or tenderness in the area.

Here is what to expect.

First, the healthcare provider will clean the area with an antiseptic to reduce the chances of infection.

They will inject a small amount of local anesthetic into the skin.

It will sting for a second but will numb the area for the procedure.

Once the anesthetic takes hold, your healthcare provider will pull the skin taut using one hand.

The wound is then closed.

It usually requires only one suture.

The healthcare provider bandages the area, and it’s possible for you to leave.

After the procedure, it can take a little time for the wound to heal.

During this period, it’s important to keep the area moist with the aid of ointment.

This will help speed healing and prevent scarring.

It’s also important to keep an eye out for infection.

This report will explain the types of cells found and whether any of these are abnormal.

Keep in mind that an abnormal result does not necessarily mean that cancerous cells were found.

Summary

A punch biopsy may be recommended to determine the cause of a suspicious skin lesion.

A punch biopsy is usually done on an outpatient basis and only takes about 15 minutes.

The sample will then be sent out to be evaluated.

American Cancer Society.Punch biopsy.

Mount Sinai.Colposcopy - directed biopsy.

Canadian Cancer Society.Punch biopsy.

Yale Medicine.Skin biopsies: what you should expect.