A person may also require systemic treatments if the cancer has spread. Seborrheic keratoses The most common benign skin tumor of humans. Typically, the removed seborrheic keratoses wont reform, but some people do develop new growths in other areas. Seborrheic keratoses can be removed with: Cryotherapy - freezing the growth. Most seborrheic keratoses begin as skin that suddenly feels waxy or bumpy in texture. Seborrheic Keratoses. Clinical and histopathological investigation of seborrheic keratosis. They can also appear on the forearms and backs of hands and usually look like rough bumps or patches on the skin. If youre dealing with seborrheic keratosis or any other skin condition, the U.S. Dermatology Partners team is happy to help you. Do not try to peel or scratch them off. They arent contagious. Our website services, content, and products are for informational purposes only. Seborrheic keratoses are very common on the back. When large they appear dark or brown in color. They mostly grow on the facial area and under the breast. The one exception to this is when multiple seborrheic keratoses appear suddenly. Thats because the skin absorbs the artificial tan pigments. Melanomas are typically asymmetrical, larger than 6 millimeters (mm), and more than one color. They can be white, black or brown; smooth (adenoid type) or very rough (verrucous), continues Dr. Laughlin. Clinical presentation and an update on pathogenesis and treatment options. A growth that is easily damaged or takes a long time to heal from the damage. DOI: Risk factors for melanoma skin cancer. Theres only one growth (seborrheic keratosis usually exists as several). Some look similar to warts. A disease caused by ultraviolet light that comes from the suns rays. What People with Black Skin Need to Know About Keratosis Pilaris, A Complete Guide to Treating Keratosis Pilaris, Understanding Borderline Diabetes: Signs, Symptoms, and More, Most Children With ADHD Aren't Being Treated, Study Finds, become irritated, although it usually isnt painful, catch on clothing, depending on its location. Therefore, Seborrheic keratosis usually appear first as small, white hard bumps and gradually develop into large concentrated clusters of outgrowths. If youre ready to get started working with a dermatologist, simply complete our online schedule request form at any time. Avoid being in direct sunlight between 10 a.m. and 4 p.m., which is when the suns rays are most penetrating. In some cases, however, it is necessary to take a biopsy of the growth to check for cancer under a microscope. An injury to a seborrheic keratosis can cause an infection. The five letters of the acronym stand for the features to look for in a melanoma. The appearance of the growths looks like warts or moles associated with melanoma, and the name sounds similar to a form of pre-cancerous skin growth called actinic keratosis. In some cases, a hard, wartlike surface. Have a healthcare professional check your skin if: If youre worried about any growth, make an appointment with a doctor or dermatologist. 2023 Healthline Media LLC. (2019). However, treatment almost always requires removing the cancer as well as any lymph nodes to which it has spread. If youve been diagnosed with seborrheic keratoses or suspect a new skin growth may be early-stage seborrheic keratosis, you may be wondering what exactly this skin condition is and what you should do about it. Melanoma is a type of skin cancer that first appears as a new mole or a change in an existing mole. If melanoma is diagnosed, your doctor is your best resource for information about your individual outlook. Created for people with ongoing healthcare needs but benefits everyone. If you prefer to schedule an appointment with the U.S. Dermatology Partners via virtual visit, we are happy to provide teledermatology sessions using a HIPAA compliant video chat platform. DOI: Deshabhoina SV, et al. It can show up anywhere except the palms and soles. However, in some cases, a seborrheic keratosis can be difficult to distinguish from melanoma, a very serious type of skin cancer. It can appear later in life, after about age 40. In a situation where, one applies some remedies and the seborrheic keratosis starts to grow, it is best to discontinue treatment and seek the advice of a doctor. It can appear during pregnancy, or if youve had hormone replacement therapy. Yale Medicine also has on-site photodynamic therapy machines and some laser treatments that aren't widely available in community dermatologists' offices. These growths often develop in families, so genetics may be a factor. Don't use hydrogen peroxide or alcohol, which can slow healing. (2015). In some people, a melanoma may look like seborrheic keratosis. Everyone is different, so if your seborrheic keratoses are growing rapidly, that doesnt necessarily mean its another condition. Seborrheic keratoses in five elderly patients: An appearance of raindrops and streams. Please note that not all SKs grow with large rough surfaces. They come on with advancing age. Sometimes they appear like very small white or black circles within the skin growth itself. Why do I get an itchy red flushing rash when I get hot or am in a hot environment for even short (less than 30) periods of time. However, its always best to have any new skin growth examined by a dermatologist. If you've had one seborrheic keratosis, you're at risk of developing others. However, they are much more likely to develop in adults over the age of 50, and the risk of developing seborrheic keratoses increases with age. The appearance of seborrheic keratoses can vary widely. 2023 Healthline Media LLC. Keratosis pilaris may look different on black skin. What causes melanoma skin cancer? Treatment for seborrheic keratosis is not usually necessary. Melanoma causes and risk factors. Allergy meds (Benadryl and Vistaril) stop the itching but I still have red and hot skin for hours. A doctor, dermatologist, or in some cases a physician assistant will perform your procedure. If a huge crop appears at once, it can be a warning of internal malignancy and an indication for endoscopy. When people see these growths pop up, they can be worried by their appearance. Mayo Clinic Staff. They can also answer any questions you have. Carbon dioxide (dry ice) A scalpel, laser, or other small tools to remove the tissue. ), and they can also strongly resemble a dysplastic nevus (atypical mole). WebMD does not provide medical advice, diagnosis or treatment. Experts are unclear on whether its a symptom of the cancer or a separate skin disorder. We look forward to hearing from you. They can arise in any location. Can occur as a single growth or a cluster of growths. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. The UV rays damage the DNA in your skin cells, leading them to become cancerous. They are usually start off light tan, and then may darken to dark brown or nearly black. See additional information. Your Questions Answered. A seborrheic keratosis is a common, harmless growth on your skin. A skilled professional can assess the new growths and determine whether youre dealing with a harmless seborrheic keratosis or something more serious. Molecular Markers of UV Exposure and Cancer Risk in Skin, Melanoma Margins Trial-II - A Phase III, Multi-centre Randomised Controlled Trial Investigating 1cm v 2cm Wide Surgical Excision Margins for AJCC Stage II Primary Cutaneous Melanoma (02.18 MelMarT-II). It does seem to run in families, so genetics may be involved. Video chat with a U.S. board-certified doctor 24/7 in less than one minute for common issues such as: colds and coughs, stomach symptoms, bladder infections, rashes, and more. When such problems occur, do not hesitate to see a dermatologist. Most of the time, the doctor can make a visual diagnosis, and in the cases that are less obvious, will do a biopsy. Although melanoma accounts for about 1 percent of all skin cancers, its responsible for the majority of skin cancer-related deaths. You can learn more about how we ensure our content is accurate and current by reading our. Believe it or not, they are setting the stage of seborrheic keratosis to appear later in life as the lesions that appear usually do not manifest themselves until you over 40. Its not painful. 1995-2023 Healthwise, Incorporated. People with seborrheic keratosis should get regular skin checks. Theyre frequently described as having a stuck-on appearance. Video chat with a U.S. board-certified doctor 24/7 in a minute. At first the Seborrheic Keratosis begins as a single spot then grows from small rough bumps and gradually thickens as well as spreading broadly on the skin and eventually growing on extended part of your body if not treated. Robertson S, et al. At first it looks and feels soft and smooth, like velvet. Freezing using liquid nitrogen to perform cryotherapy, we can freeze the growths and they will fall off in a few days. Discover symptoms, risk factors, signs to see a doctor, and more. Do seborrheic keratosis get bigger? It might itch. Actinic keratosis, another type of skin growth, isnt the same as seborrheic keratosis. Many people have had Seborrheic Keratosis at some point in their lives. (2019). Seborrheic keratoses are harmless, noncancerous growths that usually appear during adulthood. . If your skin changes unexpectedly, you should always have it looked at by a doctor or dermatologist. World Cancer Report. They can look like warts. Wollina U. Actinic keratoses are often referred to in the plural form because people rarely develop just one. Seborrheic keratosis becomes more common as you age, and its more likely to affect people who have lighter skin tones. Other experts think that dermatosis papulosa nigra is a distinct condition. MOLES AND MELANOMA With proper sun protection, this may be preventable. Seborrheic keratosis causes discolored, slightly raised patches on the skin. While these patches may resemble signs of skin cancer, they are harmless. Table 1 . Your growth has an uneven border or is different on one side. These growths may appear as bumps, scales, or patches of rough, crusty skin. They are well known as horny pearls due to their circular pattern. Growths are usually brown, but they can also be yellow, white, or black. I have 3 large and 3 small. After the seborrheic keratosis is professionally removed, your skin may be lighter at the site of removal. There can be one or multiple growths. They can provide you with information about open trials in your area. It's slightly more common in men than women because they are less likely to use adequate sun protection. Keratosis pilaris may look different on black skin. Unlike small oval spots at the beginning, well matured growth of about an inch across appear- like warm brown candle wax or dirt stuck on the skin. The size of seborrheic keratosis growths can also vary dramatically from small pinpoint dots to large spots the size of a quarter or even bigger. They often appear patchy and can occur anywhere on the body. Reapply your sunscreen every two hours and immediately after sweating heavily or swimming. MNT is the registered trade mark of Healthline Media. AK is caused by the accumulation of sun exposure over time, says Dr. Christensen. To schedule an appointment to visit us in our practice, you can fill out our simple scheduling request form. Common seborrheic keratoses are usually on the face, neck, and trunk. Connect with a U.S. board-certified doctor by text or video anytime, anywhere. They range from very small to more than two and half centimeters in diameter. Roh NK, et al. It is possible to treat pigmentation yourself at home. So theres no real way to prevent them. 5 - Seborrheic Keratosis Typically Show Up Around Middle Age. Healthline Media does not provide medical advice, diagnosis, or treatment. Risk factors. Actinic keratosis is a precancerous skin condition that causes patches of rough, patchy lesions. Jackson JM, et al. Seborrheic means greasy and keratosis means thickening of the skin. Doctors call it "benign," which means it doesn't cause cancer. Range in texture from waxy and smooth to velvety to dry, rough, and bumpy. A seborrheic keratosis grows gradually. Heres what you need to know. They are harmless and don't require treatment, but you can have them removed if they bother you. All rights reserved. They can have the following features: Color: Tan, brown, yellow, gray, or skin-colored; some are very dark . Lichenoid keratosis is a skin condition that typically occurs as a single papule or thickened area. Seborrheic keratoses are raised growths on the skin. Itching, burning, bleeding or crusting. Medically reviewed by Sharyn Laughlin, MD. In an Australian study of the site of distribution of 3067 seborrheic keratoses, 54.7% were found on the trunk, 15.2% on the hands, 11.4% on the face and neck, 8.5% on the arms, 2.6% on the upper leg, 6% on the lower . Seborrheic keratoses grow very slowly. Treatments include freezing therapy and various topical creams and gels as well as light therapy. These growths often appear in middle-aged and older adults. Seborrheic keratoses are noncancerous skin growths that can look a lot like melanoma. Seborrheic keratoses can occur on almost any site of the body, with the exception of the palms and soles and mucous membranes. Don't try to remove a seborrheic keratosis . Scary Symptoms does not make any representation regarding the accuracy of any information contained in those advertisements or sites, and does not accept any responsibility or liability for the content of those advertisements and sites and the offerings made by the third parties. In most cases, the growths will not spread very far or grow too extensively. If you see anything unusual, schedule an appointment with your doctor. All text is copyright property of this site's authors. While sun exposure is one of the most significant risk factors for melanoma, other factors also play a role. 2023 Healthline Media UK Ltd, Brighton, UK. HealthTap uses cookies to enhance your site experience and for analytics and advertising purposes. Experts don't know what causes seborrheic keratoses. Dermatosis papulosa nigra. (n.d.). Darker skin tone those with deeper skin tones may be at greater risk to develop these growths around the eyes. But a new one can still appear somewhere else on your body. (2022). Well show you what it looks like, and explain. Most of the time, a seborrheic keratosis wont cause problems. Watch for changes in any existing moles. (2003). Multiple lesions may appear, although at the beginning there might be just one. In-depth explanations you wont find on other sites. With time they develop course textures which comprise of deep pits and long deep cracks and at the same time growing 8 to 10 millimeters than it should be. Other risk factors for melanoma include having: A doctor may be able to distinguish melanoma from seborrheic keratosis with a visual examination. A seborrheic keratosis that has looked the same for a very long time can suddenly start changing in appearance. However, some people prefer to have them removed because they find the growths unattractive. What could cause this?? These growths can vary in appearance but typically: Start off as small, round bumps that thicken and develop a waxy or wart-like appearance (although in some cases, the surface is smooth) Develop anywhere on the skin (e.g., chest, back, face, and neck . It kills more people than any other form of skin cancer and can spread to other body areas. According to Dr. Fong, Seborrheic keratoses can look a little alarming, but theyre actually a common type of skin growth that is not dangerous, cancerous, or contagious. Youre twice as likely to develop the disease if a parent or sibling has previously been diagnosed with melanoma. There is no way to completely prevent the development of seborrheic keratoses. Diagnosing common benign skin tumors. Learn more about. This exam is widely used in Europe and is becoming available in the United States. Because the Dermatologic Surgery Programis a referral-based, tertiary-care program, area dermatologists send the team their most puzzling or most serious cases. Varied size, from very small to more than 1 inch (2.5 centimeters) across. There have been numerous news stories and articles about Ozempic recently. Learn more about seborrheic keratosis here. Actinic keratosis develops slowly. Often, your doctor can tell what a seborrheic keratosis is just by looking at it. Some people get just one. Seborrheic dermatitis signs and symptoms may include: Flaking skin (dandruff) on your scalp, hair, eyebrows, beard or mustache. Seborrheic keratosis usually appears on your: Often these growths look as though theyve been pasted onto your skin. . An actinic keratosis is also called a solar keratosis. Can be dome-shaped with tiny white or black "horns" growing from the surface. A novel Nitrizinc Complexsolution for topical treatment of seborrhoeic keratosis: An interventional clinical study. Once a local U.S. Dermatology Partners practice receives your request, theyll be in touch to finalize the details of your visit. You can get more as you get older. They can feel like velvet or wax. What makes Yale Medicine's approach to actinic keratosis unique? If you have one, it wont spread to other people or to other parts of your body, though it is common to have not just one, but many. Its better to be too cautious than ignore a potentially serious problem. Seborrheic keratoses (say "seh-buh-REE-ick kair-uh-TOH-seez") are skin growths that some people get as they age. Cancer stat facts: Melanoma of the skin. My boyfriend did a biopsy and was diagnosed seborrheic keratosis instead of HPV wart which was a good news but is it still dangerous for me. Consult your physician before beginning any exercise or therapy program. Seborrheic keratoses grow slowly, in groups or singly. The defining characteristic of a keratoacanthoma is that it is dome-shaped, symmetrical, surrounded by a smooth wall of inflamed skin, and capped with keratin scales and . This means that dermatologists from other practices send their mostchallenging, worrisome cases to us for analysis and treatment. What are the risk factors for actinic keratosis? He or she may need to take a sample (biopsy) of the growth if it's not clear what the growth is or if it: Seborrheic keratoses don't need to be treated. But it does increase your chance of getting it. This can lead to cancer, including melanoma. (n.d.). What are the most common sites for melanoma? In isolation they can strongly resemble a mole, but when they're in highly clustered numbers, they often look as though they've been splattered on the skin. All rights reserved. But if you use an artificial tanning product that contains DHA, an Omega-3 acid, it can change the color of the growths as well as the skin around them. Use a tool that burns it off (electrocautery or laser treatment). Seborrheic keratosis is a type of benign (non-cancerous) skin tumor or growth. Treatment of keratosis pilaris on the face: What options are there? They look similar to a type of skin cancer. However, i Get the latest updates on news, specials and skin care information. (2016). Age is a risk factoras is having fair, light-colored skin. Melanoma tends to change and grow over time, so anyone who has a growth that looks like seborrheic keratosis but changes in shape or color should contact a doctor. Because we dont know which ones will become cancer and which will not, dermatologists recommend treatment of these lesions, Dr. Christensen says. Created for people with ongoing healthcare needs but benefits everyone. The color of your growth is red, purple, blue, or other colors that dont appear naturally on your skin. Answers from hundreds of doctors about benign to serious symptoms. Growths can be found anywhere on the body except the soles of the feet, palms, and mucous membranes. However, i Get the latest updates on news, specials and skin care information. All insurance policies and group benefit plans contain exclusions and limitations. Loosened Mole Looks Like It Can Be Flicked Off. Noncancerous moles may be larger than this, while cancerous moles can be smaller. Reports have not been made on seborrheic keratosis becoming bigger as a result of common ways or methods of treatment. It ranges from light tan to black in color. Growths often start out as small, rough areas. Dermatosis papulosa nigra are small, black, raised pimples. Actinic Keratosis (AK) A scaly and rough patch of skin caused by years of sun damage. They arent bacterial, viral, or contagious. Its important to start any discussion on seborrheic keratoses with the fact that these common skin growths are not cancerous, they dont typically spread, theyre not contagious, they dont pose a risk to skin or whole-body health, and typically, they dont require treatment. As long as its clear that seborrheic keratoses are noncancerous, your dermatologist will not likely recommend removal or other treatments unless the location of the growth is uncomfortable, unsightly, easily irritated, or gets caught on clothing or jewelry.. While seborrheic keratoses dont often grow or spread extensively, they also dont go away on their own. Keratoacanthoma (KA) is a common low-grade (unlikely to metastasize or invade) rapidly-growing skin tumour that is believed to originate from the hair follicle (pilosebaceous unit) and can resemble squamous cell carcinoma.. These slow-growing spots are typically raised and sometimes have a rough texture. Cigna may not control the content or links of non-Cigna websites. Can Seborrheic Keratosis Turn into Skin Cancer? Seborrheic keratosis is a fairly common skin condition for people at or after middle age, but many people dont know about it. A seborrheic keratosis is a type of skin growth. There have been numerous news stories and articles about Ozempic recently. The cause of the Leser-Trlat sign is unknown, but it may be associated with stomach, colon, or skin cancer. It might be about the size of a dime. . According to Dr. Fong, While seborrheic keratoses are noncancerous, they can often look like cancerous growths. Surgery and other treatments, such as immunotherapy, may help extend and improve your quality of life. This website is not intended for residents of New Mexico. Doctors call it benign, which means it doesnt cause cancer. Finally, Dr. Christensen strongly recommends sun protection, in addition to medical therapy, for patients with multiple actinic keratoses. some medications, such as epidermal growth factor receptor inhibitors, lots of moles, especially if the moles are unusual, a history of melanoma or other skin cancers, a genetic mutation that increases the risk of melanoma, curettage, or scraping the skin with a surgical tool to remove cells, electrotherapy, which uses electrical energy to destroy affected tissues, excision, which is a surgical removal of tissues, immunotherapy, a type of therapy that uses the bodys immune system to treat the cancer, targeted drug therapies that treat receptors on tumors. They have a very varied appearance: they can be flat or raised, and may feel smooth, velvety, or greasy. The keratinocyte is the most common type of skin cell in the epidermis (the . This information does not replace the advice of a doctor. While the appearance of seborrheic keratoses does vary, there are some common characteristics you can look for, including: You should visit a dermatologist for seborrheic keratosis if: About the location of seborrheic keratoses growths, Dr. Fong says, These skin growths may develop on any part of the body, but they are most common on the face, head, neck, chest, shoulders, and back. To learn more about Healthwise, visit Healthwise.org. If youre worried that it could be cancer, or your doctor isnt sure, theyll remove the growth and study it more closely. An actinic keratosis is a rough skin patch that usually develops in areas of the skin that receive a lot of sun exposure. Melanomas sometimes mimic features of seborrheic keratosis so successfully that misdiagnoses are possible. Freezing the growth. "We alsohave the knowledge and experience to recognize that a patient may respond better to a different, nonstandard type of treatment, Dr. Christensen says, including combination therapy or surgical treatment when appropriate.. It was removed successfully, but the skin in that area is still numb to the touch. Some places they may show up include the: A sudden increase in the number and size of seborrheic keratoses may indicate the presence of the Leser-Trlat sign, which is rare. Treatment of melanoma skin cancer, by stage. Start with your main doctor. Pictures and symptoms of the red, scaly rash. (2017). Seborrheic keratosis: Symptoms and causes. He haslectured at the American Academy of Dermatology Annual Meeting, educating dermatologists around the world about treating regions of skin that have developed multiple cancerous and precancerous lesions. Seborrheic keratosis: Overview. Learn more about. Over time, a seborrheic keratosis becomes scaly and thick, like melted candle wax thats stuck to your skin. However, they are much more likely to develop in adults over the age of 50, and the risk of developing seborrheic keratoses increases with age. Seborrheic keratosis is typically benign, so these growths shouldnt have any impact on your outlook or quality of life. Once a growth appears, youll likely have it forever. If you notice a spot on your skin that looks red, feels rough & will not heal, what you Privacy Policy | Security Statement | Terms & Conditions. The peak time for developing . They start off small and slowly grow in size until theyre about an eighth to a quarter of an inch. Some women get them during pregnancy or after taking estrogen. It has no association with the inner skin making it appear like it can be easily be detached from the skin by plucking from the top layer of the skin. Your doctor will look at the skin growth. Seborrheic Keratosis outgrowths are known to mostly occur on individuals around their thirties and increase growth numbers and size with age. (2016). However, despite the visual similarity, seborrheic keratosis is not a risk factor for skin cancer or a form of precancer. This does not mean cancer if its only the barnacle thats changing, but you should get it checked anyways to make sure theres not a melanoma springing up among the melanocytes next to the barnacle. Most are brown. Seborrheic keratoses can range in color from black to white. The best way to reduce your risk for either condition is to stay away from tanning beds and be smart about sun protection. Theyll cut the tumor out, along with a small margin of healthy tissue surrounding it. Get answers from Anti-Aging Specialists and top U.S. doctors, Our doctors evaluate, diagnose, prescribe, order lab tests, and recommend follow-up care. Learn about the medical, dental, pharmacy, behavioral, and voluntary benefits your employer may offer. While these patches may resemble signs of skin cancer, they are harmless. But not all seborrheic keratoses grow quickly. Melanoma and seborrheic keratosis differentiation using texture features. Current understanding of seborrheic keratosis: Prevalence, etiology, clinical presentation, diagnosis, and management. Increased risk of second primary cancers after a diagnosis of melanoma. Seborrheic keratoses often develop quickly, which is another reason people may have cause for concern when they first notice these growths. It could be dermatosis papulosa nigra, a common condition in people with darker skin. The cause is damage to the DNA of cells in the epidermis, the top layer of the skin. Normally, it has a round or oval shape. Its always better to have a professional diagnose any new growth to ensure you dont accidentally miss a potentially dangerous skin condition.. Your dermatologist can confirm that the growth is seborrheic keratosis, answer any questions you have, and provide treatment if its necessary. Some are multicolored. Indeed, the age when they are first usually noticed is between 40 and 50. The growths should not be scratched off. Can diet help improve depression symptoms? There are different types of seborrheic keratoses can be flat, thick, small (1-2 mm), or reaching the more typical size of a thumb nail about 1 cm in a short time, explains Sharyn Laughlin, MD, board certified dermatologist and co-founder of the DermaEnvy Skincare line of sun protection products and medical director of Laserderm, a pioneering laser skin surgery clinic in Ottawa, Ontario, Canada. DOI: ncbi.nlm.nih.gov/pmc/articles/PMC3189087/, cancer.org/cancer/cancer-causes/genetics/family-cancer-syndromes.html, cancer.org/cancer/melanoma-skin-cancer/treating/immunotherapy.html, jamanetwork.com/journals/jamadermatology/fullarticle/479107, mayoclinic.org/diseases-conditions/seborrheic-keratosis/home/ovc-20253777, mayoclinic.org/diseases-conditions/seborrheic-keratosis/symptoms-causes/dxc-20253909, skincancer.org/skin-cancer-information/melanoma/melanoma-causes-and-risk-factors, cancer.org/cancer/melanoma-skin-cancer/causes-risks-prevention/risk-factors.html, cancer.org/cancer/melanoma-skin-cancer/treating/surgery.html, blog.dana-farber.org/insight/2014/07/what-are-the-most-common-sites-for-melanoma/, cancer.org/cancer/melanoma-skin-cancer/causes-risks-prevention/what-causes.html, cancer.org/cancer/melanoma-skin-cancer/about/new-research.html, What People with Black Skin Need to Know About Keratosis Pilaris, A Complete Guide to Treating Keratosis Pilaris, Taking Naps for More than 30 Minutes May Raise Your Risk of Obesity, Metabolic Disease, The Benefits of Music for People with Alzheimers or Dementia, may have sides that dont match in size or shape, can have a fuzzy border, or ragged or blurred edges, can also have a variety of colors within the same mole, may change color, shape, or size over time, vary in size from very small to more than 1 inch across, whether youve had a cancerous growth before.
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