Living with mole changes

Overview

Moles are small, colored spots on the skin made up of cells that produce pigment. Most moles are harmless, but they can change over time — in size, shape, or color. Sometimes these changes are normal, and sometimes they can be a sign of skin cancer, so it's important to know what to look for and when to get help.

Mole changes are very common. Almost everyone has a few moles, and they may change during times of life such as pregnancy or teenage years. However, not all changes are normal, so it's important to check your skin regularly.

Anyone can have mole changes. People with fair skin, light eyes, a history of sunburns, many moles, or a family history of skin cancer are at higher risk. But even people with darker skin can develop unusual moles, so everyone should be aware of changes.

Symptoms

Common symptoms

• A mole that grows larger or becomes raised
• A mole that changes in color, especially if it becomes darker or develops multiple colors
• A mole that changes in shape, such as becoming uneven or irregular
• A mole that itches, bleeds, or crusts
• A new mole appearing after age 30

Symptoms in children

• Moles often appear and change during childhood and the teenage years, which is usually normal.
• New moles appearing during adolescence are common and are usually harmless.
• In children, melanoma (a serious form of skin cancer) is very rare, but any mole that grows quickly, bleeds, or looks unusual should be checked by a pediatrician or dermatologist.

Symptoms in older adults

• After age 50, new moles are less common, so a new or changing mole may be more concerning.
• Older adults may have moles that fade or become less noticeable, which is usually normal.
• A mole that changes shape, becomes itchy, or starts bleeding should not be ignored — even if you've had it for years.

Causes

Main causes

• Sun exposure — ultraviolet (UV) rays from the sun or tanning beds can cause mole changes and increase the risk of skin cancer.
• Genetics — your family history can affect how many moles you have and whether they are more likely to change.
• Hormonal changes — times like pregnancy, puberty, or menopause can make moles temporarily larger or darker.

Risk factors

• Fair skin or light-colored eyes
• A history of sunburn, especially blistering sunburns in childhood
• Having 50 or more moles
• A family or personal history of melanoma or other skin cancers
• Using tanning beds
• A weakened immune system

When to see a doctor

See a doctor urgently if:

• If you notice any mole with the ABCDE signs: A for asymmetry, B for irregular border, C for multiple colors, D for diameter larger than a pencil eraser, E for evolving or changing
• If a mole is bleeding, oozing, or very itchy
• If a new mole appears after age 30

Book a routine appointment if:

• Ask for a full skin check at least once a year if you have a history of skin cancer or many moles.
• Show your doctor any mole you are concerned about during a regular check-up.

Diagnosis

A doctor will look at your skin and examine the mole closely with a special magnifying tool called a dermatoscope. They may ask about your medical history, sun exposure, and any changes you have noticed.

Tests that may be done

• A thorough visual examination of all your skin, including your palms, soles, and scalp
• Dermatoscopy, which allows the doctor to see patterns in the mole more clearly
• A biopsy, where a small sample of the mole is removed and sent to a laboratory for testing

What to expect at your appointment

If the doctor thinks a mole looks unusual, they will usually want to remove it or take a small sample. The procedure is quick, uses local anesthesia (so you won't feel pain), and is done in the clinic. Then you wait a week or two for the lab result. If the mole is benign, you may need no further treatment. If it is abnormal, your doctor will talk to you about next steps.

Treatment

Treatment for a mole change depends on what the doctor finds. Many moles need no treatment at all. If a mole is precancerous or cancerous, it can usually be removed completely. The earlier the treatment, the better the outcome.

Self-care at home

• Check your skin once a month in a well-lit room using a mirror, including hard-to-see areas like your back and scalp.
• Use a broad-spectrum sunscreen with SPF 30 or higher every day, even on cloudy days.
• Wear protective clothing, a wide-brimmed hat, and sunglasses when outside.
• Avoid sunbathing and never use tanning beds.

Medical treatments

If a mole needs to be removed, the doctor will surgically remove it and send it for testing. For skin cancer, treatment may include surgical removal, radiation therapy, or medicines that help your immune system fight cancer. Your healthcare team will explain the best options for you and any possible side effects.

When is surgery considered?

Surgery is the most common treatment for a mole that is abnormal. It is often done under local anesthesia in the doctor's office. A wider excision may be needed if the mole is cancerous, to ensure all abnormal cells are removed.

Living with this condition

Living with mole changes means being in tune with your skin. You don't need to worry constantly, but you do need to be aware. Make skin checks a routine, use sun protection daily, and go to your doctor for regular skin exams if recommended.

Lifestyle tips

• Apply sunscreen before going outdoors and reapply every two hours or after swimming or sweating.
• Stay in the shade between 10 a.m. and 4 p.m. when UV rays are strongest.
• Take photos of your moles with a ruler or object next to them, so you can compare them over time.
• Keep a simple diary of any changes you notice and take it to your appointments.

Diet and exercise

A healthy diet and regular exercise help keep your immune system strong. Though they don't directly prevent skin cancer, a balanced life supports overall health. Some studies suggest that staying active and eating plenty of fruits and vegetables may lower cancer risk overall.

Mental health and emotional wellbeing

It can be worrying to notice a mole changing. You might feel anxious about the possibility of skin cancer. These feelings are normal. Try to focus on what you can control: going for check-ups, protecting your skin, and getting support from friends or family. If anxiety becomes overwhelming, talk to your doctor or a mental health professional.

Prevention

You can't prevent all moles, especially those you are born with or that appear because of genetics. But you can reduce the risk of mole changes and skin cancer by protecting your skin from UV radiation. Staying sun-safe is the most important step.

Screening programmes

Regular skin self-exams are a simple screening method you can do at home. If you have high risk factors, ask your doctor about having professional skin checks once a year or more often.

Complications

If left untreated

• A mole that becomes cancerous may grow deeper into the skin and spread to other parts of the body.
• Delaying treatment for skin cancer can make it harder to treat successfully.

Long-term outlook

The good news is that most mole changes are not cancer, and even when they are, skin cancer is highly treatable when caught early. Living with mole changes is about being alert, not afraid. With regular checks and sun protection, you can take charge of your skin health and get on with your life.

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