Naevi Meaning

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Nevus (plural: nevi) is the medical term for a mole. Nevi are very common. Have between 10 and 40.

Common nevi are harmless collections of colored cells. They typically appear as small brown, tan, or pink spots.You can be born with moles or develop them later. Moles that you’re born with are known as congenital moles.

However, most moles develop during childhood and adolescence. This is known as an acquired nevus. Moles can also develop later in life as a result of sun exposure.There are many types of nevi. Some of them are harmless and others more serious. Read on to learn about the different types and how to know whether you should get one checked out by your doctor.

Congenital nevusA is a mole that you’re born with. They’re generally categorized as being small, medium, or giant in size.

They vary in color, shape, and consistency. Some congenital nevi cover large areas of your body.

Common nevusA common nevus is a smooth, round mole that’s all one color. You can be born with them, but most people develop them later in childhood. Common nevi can be flat or dome-shaped and may appear pink, tan, or brown. Dysplastic nevusDysplastic nevus is another name for an. These moles are benign (noncancerous) but often resemble melanoma. They may feature different colors, appear asymmetrical, or have odd borders. People with dysplastic nevi are at higher risk of developing melanoma.

Blue nevusA is a blue-colored mole that can be congenital or acquired. A common blue nevus may appear flat or dome-shaped with a color ranging from blue-grey to blue-black. Blue nevi are in people of Asian descent. Miescher nevusA Miescher nevus is a brownish or skin-colored, dome-shaped mole that commonly appears on your face or neck. It’s typically firm, round, smooth, and may have hair coming out of it. Unna nevusUnna nevi are soft, brownish moles that resemble Miescher nevi.

They’re typically located on your trunk, arms, and neck. An Unna nevus may resemble a raspberry. Meyerson nevusMeyerson nevi are moles surrounded by a small ring of, which is an itchy, red rash. They can appear on your skin regardless of whether you have a history of eczema. Meyerson nevi affect men nearly as often as women. Most develop around age 30.

Halo nevusA is a mole with a white ring of unpigmented skin around it. Over time, the mole in the center begins to fade from brown to pink before disappearing entirely. It’s not uncommon for someone to have several halo nevi at different stages of fading.

Spitz nevusA is a raised, pink, dome-shaped mole that typically appears before age 20. Spitz nevi can have different color. They may also bleed or ooze. This can make them hard to distinguish from a melanoma. Reed nevusA Reed nevus is a dark brown or black, raised, dome-shaped mole that most affects women. These moles can grow quickly and may be mistaken for melanoma.

They’re sometimes called spindle cell nevi because of the way they appear under a microscope. Agminated nevusAn agminated nevus refers to a cluster of similar moles located on one area of your body. These groups of similar-looking moles can vary in appearance and type. If you’re unsure of what type of nevus you have, it’s best to have your doctor or dermatologist take a look.If your nevus seems to be changing or your doctor isn’t sure what it is, they might perform a. This is the only way to confirm or rule out skin cancer.There are a few ways to do this:.

Shave biopsy. Your doctor uses a razor to a sample of the top layers of your skin. Punch biopsy. Your doctor uses a special punch tool to remove a sample of skin that contains both the top and deeper layers of skin.

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Excisional biopsy. Your doctor uses a scalpel to remove your entire mole and some of the other skin around it.

Is easiest to treat when it’s caught early. It’s important to know what to look for so you can recognize the signs early on.Try to get in the habit of once a month. Keep in mind that skin cancer can develop in areas that you can’t easily see, so use a mirror or ask a friend to help you if you need to.Doctors have a developed a system known as the ABCDE method to help people identify signs of skin cancer. Here’s what to look for:. A is for asymmetrical shape. Look out for moles that look different on each side.

B is for border. Moles should have solid borders, not irregular or curvy borders. C is for color.

Check for any moles that contain several colors or uneven and splotchy color. Also note if any have changed in color. D is for diameter. Keep an eye on moles that are larger than a pencil eraser. E is for evolving.

Look for any changes in a mole’s size, color, shape, or height. Also watch for any new symptoms, such as bleeding or itchiness.You can keep track of your existing moles and changes by using this from the American Academy of Dermatology.