3 Types of Skin Biopsies

Skin cancers are the most widespread cancers globally. If you spot skin problems like a mole that changes shape, a sore that won’t heal, or a rash that lingers longer than it should, you might worry that you have skin cancer.

At Clover Internal Medicine Associates, we use skin biopsies to get clear answers. A biopsy allows us to remove a small skin sample for examination under a microscope. This test helps us diagnose skin cancer, infections, inflammatory skin conditions, and other concerns quickly and accurately.

Let’s walk through the three most common types of skin biopsies and what you can expect from each one.

1. Shave biopsy

A shave biopsy removes a thin layer from the surface of your skin. We use a small blade to shave off a sample of the abnormal area.

We often choose a shave biopsy if:

• A mole looks unusual but appears shallow
• A raised growth sits on the surface
• A scaly or crusted lesion needs evaluation

A shave biopsy is best for concerns involving the top layers of the skin. First, we clean the area and inject a small amount of local anesthetic. You’ll feel a quick pinch and slight burning, but the area quickly becomes numb. We then carefully remove a thin shaving of the suspicious tissue.

The procedure usually takes only a few minutes, and you won’t feel pain during the removal. We apply pressure or a special solution to control bleeding, then place a bandage over the site, which may look like a scrape.

You’ll need to keep the area clean and covered for several days. Most shave biopsy sites heal within one to two weeks.

2. Punch biopsy

A punch biopsy removes a small, circular section of skin with a special tool that looks like a tiny cookie cutter. We often use a punch biopsy when:

• A rash affects deeper layers of skin
• We suspect inflammatory conditions like psoriasis or lupus
• A mole requires deeper sampling

This method allows us to examine all layers of the skin, from the surface down to the fat beneath.

After numbing the area, we press the punch tool into your skin and rotate it gently. The tool removes a small cylinder of tissue, usually just a few fractions of an inch wide. Depending on the size, we may place one or two stitches to help the area heal properly.

You might feel some mild soreness once the numbness wears off, but over-the-counter pain relievers usually handle the discomfort. If we place stitches, we’ll remove them in about 7 to 10 days, depending on the location.

3. Excisional biopsy

An excisional biopsy removes an entire lesion or mole along with a margin of surrounding skin. This method gives us the most complete sample.

We often recommend an excisional biopsy if:

• A mole shows strong signs of melanoma
• A growth appears deeply rooted
• We want to remove the entire suspicious area at once

This approach allows us to both diagnose and fully remove certain lesions during the same visit.

After numbing the area, we use a scalpel to remove the lesion and a small border of normal-looking skin. We then close the wound with stitches. The procedure takes longer than a shave or a punch biopsy, typically 30 to 60 minutes.

You’ll need to keep the area clean and dry. Stitches usually remain in place for one to two weeks. We’ll give you detailed aftercare instructions to reduce scarring and lower the risk of infection.

Does a skin biopsy hurt?

Most patients tolerate skin biopsies very well. The numbing injection causes brief discomfort, but once the area becomes numb, you shouldn’t feel pain during the procedure.

Afterward, you may notice mild tenderness, similar to a scrape or small cut. Serious complications rarely occur when you follow proper wound care instructions.

When considering undergoing a skin biopsy, it’s natural to wonder about the discomfort. However, the benefits of knowing what’s wrong and receiving prompt treatment far outweigh any misgivings you may have.

Receiving your results

We send your tissue sample to a pathology lab for careful examination. Results usually return within one to two weeks. Once we receive them, we contact you promptly and discuss next steps.

If we identify a benign condition, we’ll explain whether you need monitoring or any treatment. If we detect skin cancer, we’ll guide you through treatment options right away.

Don’t ignore changing skin

Skin changes don’t always mean cancer, but they do deserve attention. Early diagnosis makes treatment simpler and more effective.

At Clover Internal Medicine Associates, we evaluate skin concerns with care, precision, and compassion. A simple biopsy can provide answers and peace of mind.

If you notice a changing mole, new growth, or persistent rash, schedule an appointment by calling the office or completing the online booking form.