Different Types of Skin Problems With Pictures

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This article was medically reviewed by Mona Gohara, MD, a board-certified dermatologist and member of the Prevention Medical Review Board on June 14, 2019.

If there's one good thing about skin cancer, it's that you can spot it yourself—if you know what to look for. And the earlier you find the signs of skin cancer, the sooner you can seek treatment. That's incredibly important: Skin cancer is the most common cancer in the United States, with more cases diagnosed every year than all other cancers combined.

You already know that spending too much time in the sun without applying sunscreen can boost your chances of skin cancer—but there are tons of other risk factors to keep on your radar, too. Getting just one bad sunburn, having fair skin or red hair, living at high elevations, flying frequently or driving a lot, exposure to certain chemicals, and having a family history of skin cancer can all significantly spike your risk of the disease.

However, skin cancer impacts people of all skin tones (yes, even darker skin!) and backgrounds. That's why it's so important to be vigilant, as the disease is very treatable if you catch it early. "The bottom line is if your skin starts forming a spot that doesn't look like anything else and it's not getting better, it's growing, or it's acting differently than your other moles, get it checked out," says Saira J. George, MD, assistant professor of dermatology at The University of Texas MD Anderson Cancer Center.

The Skin Cancer Foundation recommends doing a self-examination once a month. Don't rush through this! Do it when you have time to examine your skin from head to toe. Use mirrors as necessary to check your back and other hard-to-see places or ask a partner or family member to help you.

What exactly should you be looking for? The following pictures show what different types of skin cancer look like, as well as how to differentiate between them. Warning: They're a bit graphic—but knowing how to spot a dangerous mole or lesion could save your life.

Basal Cell Carcinoma

Basal cell carcinoma is the most common form of cancer in the United States and accounts for about eight out of 10 skin cancers, according to the American Cancer Society (ACS). Basal cell carcinoma forms in basal cells, which are found in the lower part of your epidermis (the top layer of your skin).

Basal cell skin cancers can pop up anywhere, but most frequently occur in areas of the body that are often exposed to ultraviolet (UV) light. Even though it's a common form of skin cancer, basal cell carcinoma tends to grow very slowly, rarely spreads to other parts of the body, and is very treatable, the ACS says.

Basal cell carcinoma symptoms: "Unfortunately, basal cell carcinoma is easy to ignore because a lot of times people think the spot is a pimple or blemish that won't heal," Dr. George says, especially on the face, neck, and ears. Here are the various skin changes to look for:

• Flat, firm, or pale and yellowish areas that resemble a scar
• Pearly, translucent, or shiny bumps or spots
• Red or pink raised patches that may also itch
• Open scabs or sores that don't heal or heal and come back
• Oozing or crusted areas that bleed easily
• Growth of a bump or lesion over time

It's important to note that basal cell carcinomas are very sensitive and bleed easily after shaving or minor injuries, the ACS says. If what you think is a nick or cut doesn't heal within roughly a week—or you notice any of the changes above—see your doctor.

Squamous Cell Carcinoma

Squamous cell carcinoma is the second most common type of skin cancer, accounting for about two out of every 10 cases, the ACS says. These cancers form in squamous cells, which are the flat cells that constantly shed in the outer part of your epidermis.

Squamous cell carcinomas commonly appear on sun-exposed body parts, including the face, ears, neck, lips, and back of the hands. Although this type of skin cancer can spread to other parts of the body, this is not typical and squamous cell carcinoma is easy to treat when spotted early.

Squamous cell carcinoma symptoms: Similar to basal cell carcinoma, squamous cell carcinomas tend to manifest as a pink or red bump or patch that won't go away, Dr. George explains. However, they're not usually pearly or shiny.

These skin cancers can also grow as a flat patch or become larger and nodular, adds Anthony Rossi, MD, board-certified dermatologist at Memorial Sloan Kettering Cancer Center. Here are other telltale signs to look out for:

• Rough or scaly patches
• Raised bumps that may have a lower area in the center
• Open sores or scabs that don't heal or heal and come back
• Growths that look like warts
• Itching, bleeding, crusting, or pain

Melanoma

Melanoma is a rare form of skin cancer (it only makes up one percent of all skin cancers), but it's the deadliest, since it easily spreads to other parts of the body when not caught early.

This type of skin cancer arises from the uncontrolled growth of a type of skin cell called melanocytes, which are responsible for producing pigment in the skin, explains Jennifer DeFazio, MD, FAAD, an assistant clinical member at the Memorial Sloan Kettering Cancer Center.

Melanoma symptoms: Using the ABCDE method can help you spot signature skin changes that point to melanoma.

• Asymmetry: Do both halves of the lesion look the same? Melanoma lesions can appear asymmetric, whereas healthy moles are typically symmetrical.
• Border: Moles with irregular, scalloped, or poorly defined edges may be melanoma. Normal moles have nice, sharp, regular borders.
• Color: Melanomas tend to be multi-colored—black, brown, red, blue, or even no color at all. Healthy moles are typically one color or maybe two, but that color is evenly distributed. This isn't so for a potentially dangerous mole.
• Diameter: If a mole is greater than 6 millimeters in diameter (about the size of a pencil eraser), get it checked out.
• Evolving: If you notice a spot that is changing in any way—size, shape, color, borders, texture—or if the spot itches or bleeds, see a doctor. For more visual examples of these changes, check out these melanoma pictures.

Actinic Keratosis

Also called solar keratosis, actinic keratosis is a pre-cancer or a premalignant lesion, says Dr. Rossi. Like other types of skin cancer, it's caused by too much exposure to UV light, and most people develop more than one affected area. Some (but not all) develop into squamous cell skin cancers, so it's important to spot actinic keratosis before it advances.

Actinic keratosis symptoms: These lesions often occur on the face, lips, ears, back of the hands, and arms, but can form on other areas exposed to UV light. Here's what to look for:

• Rough, dry, or scaly patches
• Flat or slightly raised patch on the top layer of the skin
• Itching, burning, or pain
• Varied pink, red, or brown tones

Merkel Cell Carcinoma

Although rare—only 2,000 cases are diagnosed each year—merkel cell carcinoma is a dangerous forms of skin cancer, as it can grow rapidly and spread to other parts of the body.

This type of skin cancer (also known as neuroendocrine carcinoma of the skin) begins in merkel cells, which are found in the epidermis. Since they're so close to nerve endings, these cells play a role in our sense of light touch, the ACS says.

Merkel cell carcinoma most commonly impacts people over 70 years old, and men are nearly twice as likely to be diagnosed with it than women.

Merkel cell carcinoma symptoms: Merkel cell carcinoma is most common on the face, neck, arms, and legs, but can pop up anywhere on the body. While it can look like other types of skin cancer, there are a few characteristics to keep in mind:

• Pink, red, or purple bump that may be shiny
• Fast-growing, painless bump that's firm to the touch
• Broken skin on top may break open and bleed

Alisa Hrustic Deputy Editor, Prevention Alisa Hrustic is the deputy editor at Prevention, where she leads the brand's digital editorial strategy.

Brittany Risher Englert Brittany Risher Englert is a writer, editor, and digital strategist specializing in health and lifestyle content.

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Different Types of Skin Problems With Pictures

Source: https://www.prevention.com/health/health-conditions/g20688920/types-of-skin-cancer/

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