Have you noticed more than one patch or spot? The medications that dermatologists prescribe include the following, which have all been approved by the US. The prime characteristics of the epidermal layer include the following: It is marked by diffused thickening of the epidermal cells. These can include the face, ears, bald scalp, neck, backs of hands and forearms, and lips. Prevention is very important. First lady Jill Biden is undergoing Mohs surgery to remove a skin lesion above her eye. Your dermatologist will tell you how often to return for check-ups. Most patients with AKs need 2 PDT treatments, with the second treatment given 3 weeks after the first. People with fair skin are more likely to develop actinic keratoses on sun-exposed areas like the face, arms, hands, back of the neck, and upper chest. Many dermatologists recommend seeking treatment for each lesion you develop since theres no surefire way to predict which will become cancerous. But there's a small chance they could become skin cancer, so it's important to avoid further damage to your skin. These growths can appear on any part of your body, but they most often show up on the back and chest. Actinic keratoses are rough , scaly spots that form on sun-damaged skin. Due to this risk, the spots should be regularly monitored by your doctor or dermatologist. They often have a white or yellow crusty scale on top. See pictures and learn about causes, prevention, diagnosis, treatment, and, A new mRNA skin cancer vaccine being developed by Moderna showed promise in a phase 2 clinical trial in treating late-stage melanoma, The glycemic index (GI) is a value used to measure how much a specific food increases your blood sugar levels. Learn. SCC is relatively easy to diagnose and treat in its early stages. It feels thick and flaky, almost like a scab that never quite heals. Thousands of new, high-quality pictures added every day. Common locations are the face, scalp, back . They may itch or feel prickly, especially after sun exposure. We avoid using tertiary references. Lebwohl M. Actinic keratosis. Diclofenac sodium gel: This medication tends to cause less of a skin reaction than 5-FU, but it can still be very effective. Food and Drug Administration (FDA) to treat AKs: 5-fluorouracil (5-FU) cream: You apply this once or twice a day for 2 to 4 weeks. Some people develop a few AKs, which can often be cleared with treatment. Ceilley RI, Jorizzo JL. Inspect the tops and bottoms of your feet, the area between your toes, and toenails. Stay in the shade, particularly between 10 a.m. and 4 p.m. Use a broad-spectrum sunscreen with an SPF of 15 or higher daily, Use a broad-spectrum, water-resistant sunscreen with an SPF of 30 or higher if youre going to be out in the sun for an extended time. The following are clinical images of squamous cell skin cancer, starting with early stages. If you have darker skin, your spots may closely resemble age spots, with a brown, black, or gray hue. Using one of these will prevent your AK treatment from working. The vast majority of actinic keratosis cases occur when people have long-term exposure to sunlight, especially if they have a light skin tone that is prone to freckling. This site uses Akismet to reduce spam. AskMayoExpert. Well show you what it looks like, and explain. What are the symptoms of actinic keratosis? These can include the face, ears, bald scalp, neck, backs of hands and forearms, and lips. Seborrheic keratoses are often mistaken as skin cancer. Most patients with AKs need 2 PDT treatments, with the second treatment given 3 weeks after the first. The skin patches can be any of these colors: They tend to appear on the parts of the body that get the most sun exposure, including the following: Actinic keratoses arent cancerous themselves. A 2020 Swedish study examined the risk of developing certain cancers in the 10-year period after an actinic keratosis first appears. Actinic keratoses are very common on sites repeatedly exposed to the sun, especially the backs of the hands and the face, most often affecting the ears, nose, cheeks, upper lip, vermilion of the lower lip, temples, forehead, and balding scalp. RF 2GN41YD - Lesions and scabs of actinic keratosis or sunspots on sun-damaged skin on a man's wrist. Development of cutaneous horns, in which the skin has a horn-like projection, is its most prominent feature. The growths may be gray, pink, red, or the same color as your skin. During a skin biopsy, a small sample of skin is taken for analysis in a lab. The size of actinic keratosis varies from tiny to an inch or more in diameter. Image Source: 2007 Interactive Medical Media LLC. Seborrheic keratosis and actinic keratosis both cause skin growths, but actinic keratosis may become cancerous. Micali G, Lacarrubba F, et al. It most likely appears onareas of skin often exposed to the sun. The topical medication is usually prescribed for at least 60 to 90 days. To effectively treat the AKs, your dermatologist may prescribe both a procedure and medication that you apply at home. (2017). For the next 2 weeks, youd give your skin a break. Evaluation of long-term clearance rates of interventions for actinic keratosis: A systematic review and network meta-analysis. Usually, treatment is recommended. The most common sites for such thickened scaly growths are the face, specifically on the lips, cheeks, and bridge of the nose and ears. While treating actinic keratosis, never try to calm your treated skin by applying hydrocortisone or another corticosteroid medication. In front of a full-length mirror, inspect the front of your body making sure to look at the front of your neck, chest (including under breasts), legs, and genitals. Flat to slightly raised patch or bump on the top layer of skin. 2014;70:965.e1-12. Urticaria pigmentosa is a skin condition that causes lesions and itchy skin. JAMA. Gavish has begun his career as a health and medical writer for daily newspapers. Approximately 8% of patients with LK will have two discrete . If you dont already have a dermatologist, you can browse doctors in your area through the Healthline FindCare tool. The photosensitizing medication gets activated and releases an oxygen molecule, which directly destroy the lesions. What will the treatments cost? It's also common to have harmless brown spots or . Similarly, the following conditions are also segregated from the pre-cancerous disorder: Further progression of thedisorder should be stopped, as the lesion is still in the premalignant stage. In rare instances, they may bleed or develop a persistent sore, also known as an ulceration. AKs are often more easily felt than seen. the tops and undersides of your arms and hands. Our experts continually monitor the health and wellness space, and we update our articles when new information becomes available. Clinical Information and Differential Diagnosis of Actinic Keratosis (Solar Keratosis), Mild one or two spots, not thick or hard, Severe numerous or thick, hard, or bleeding spots. They are essentially very thin skin cancers that have not yet penetrated into deeper tissues. Skin Cancer: Actinic Keratosis (Solar Keratosis) Actinic keratoses are scaling, horny, red, tender bumps present in sun-exposed areas. This is normal and expected. Damage to the skin from UV rays builds up over time. Actinic keratosis is often caused by sun damage and results in scaly or crusty skin growths. Mayo Clinic. UV rays from the sun and from tanning bedscause almost all actinic keratoses. Our website services, content, and products are for informational purposes only. AK occurs when skin cells called keratinocytes start to grow abnormally, forming scaly, discolored spots. Using a hand mirror, examine your scalp and face. These are done to remove or destroy the lesion. Anyone can develop these lesions, but youre more likely to develop them if youve had a lot of unprotected sun exposure. Aasi SZ, et al. Discover symptoms, risk factors, signs to see a doctor, and more. Some people are more at risk than others, including: People with pale skin, blonde or red hair, and blue, green, or gray eyes, People with darker skin, hair, and eyes who have been exposed to UV rays without protection, People with suppressed immune systems (due to chemotherapy, AIDS, organ transplant, or other causes), People with rare conditions that make the skin very sensitive to UV rays, such as albinism or xeroderma pigmentosum (XP). They may be oval spots a fraction of an inch across, or form long Christmas tree like . The more lesions you have, the higher your cancer risk becomes. Its also a good idea to consider visiting a dermatologist at least once a year to monitor your skin health and any new spots or moles. Actinic keratosis can resemble other skin issues like age spots and acne. 2005-2023 Healthline Media a Red Ventures Company. Symptoms include: Rough, dry or scaly patch of skin, usually less than 1 inch (2.5 centimeters) in diameter. You can find more of her work on GoodTherapy, Verywell, Investopedia, Vox, and Insider. Discover how to lessen their appearance or get rid of them permanently. Actinic keratosis lesions can appear on any part of your body regularly exposed to sun, but they frequently appear on the face. You may also develop skin cancer. This content does not have an Arabic version. The goal is to get the AK to fall off after a few days. See Additional Information. The surface of the ear is a typical location of actinic keratoses. Answer C is an essential feature of actinic keratosis as it has well established its link in the development of squamous cell carcinoma either in the classical or differentiated pathways. If you have what feels like razor bumps or acne on the back of your neck or scalp, you may have acne keloidalis nuchae. Wear hats and shirts with long sleeves when youre in bright sunlight. Sensitivity to UV light is an inherited condition in fair-skinned or blonde patients. This image displays a large actinic keratosis with a yellowish crust. Mayo Clinic is a not-for-profit organization. Similarly, color variations range from light to dark with variations throughout the patches. AskMayoExpert. This content does not have an English version. Have a look at some of the pictures of Actinic Keratosis for a better understanding. How to spot a precancerous growth on your skin. This type of keratosis appears only in areas that are sun-exposed especially the face and neck. This is performed in order to inspect the current stage of precancerous keratosis and rule out the presence of cancer. They are extremely common. Actinic keratosis is also known as AK and solar keratosis. Symptom checkers like Aysa can help narrow down possible skin conditions by analyzing a skin photo. Actinic keratosis is a common skin condition that frequently appears on the face. Actinic keratosis (AK) is the most common precancer that forms on skin damaged by chronic exposure to ultraviolet (UV) rays from the sun and/or indoor tanning. Actinic keratosis lesions are "extremely common," said Dr. Allison Arthur. Your doctor may be able to diagnose AK simply by looking at it. You can often complete treatment in 1 or 2 office visits. To prevent actinic keratosis, it's important to: Avoid exposure to sunlight during peak sunlight hours (10 a.m. to 2 p.m.). Skin lesions are skin growths or patches that don't look like the skin around them. According to a 2020 German study involving 3,409 people, 75.6% of participants with the condition had at least one lesion on their face. Its best to use a sunscreen with a sun protection factor (SPF) rating of at least 30. Actinic keratosis (Solar Keratosis) Pictures, Cradle Cap Symptoms, Causes, Pictures, Treatment and Home Remedies, How long does nicotine stay in your system, Suppressed immune system, due to regular intake of immunosuppressive drugs after an organ transplant, Psoriasis, treated with PUVA a therapeutic procedure involving administration of oral drugs called psoralens followed by exposure to UVA light, Bowens disease/Bowenoid actinic keratosis, Restrict outdoor activities, especially from 10:00 am to 3:00 pm, Avoid using artificial tanning beds or lamps, Apply an appropriate sunscreen or other skincare products on solar damage-prone areas before going out in the sun, Eat a healthy diet rich in vitamin D and other supplements, Wear long sleeves, pants, hat/cap and sunglasses to protect against the damaging UV rays. After a medical-grade chemical peel, the treated skin will be red, swollen, and sore. Skin exams are recommended for patients who are frail and may find it hard to tolerate treatment. Accessed Sept. 30, 2020. Find more COVID-19 testing locations on Maryland.gov. Actinic keratosis. Although the epidermis appears thick, there is a loss of granular layer with wide gaps between the cells. These products might cause inflamed skin, scaling or a burning sensation for a few weeks. After five days, the treatment ends. You can also develop keratoses along the rim of your ear. Actinic keratosis treatment depends on a few factors, according to the AAD: You can have actinic keratosis treated in a dermatologists office, or you can treat them at home. Browse 653 keratosis stock photos and images available, or search for actinic keratosis or skin keratosis to find more great stock photos and pictures. (2022). During the first part of treatment, a solution that makes your skin extremely sensitive to light is applied to the area with AKs. The growths may be gray, pink, red, or the same color as your skin. While examining your skin, your dermatologist will also look for signs of skin cancer. These are precancerous skin cancers that look like scaly patches on your skin, and they can turn into cancer in the future. They typically feel like sandpaper. solar keratosis. 2016; doi:10.1001/jama.2016.3065. Sunscreen FAQs. Wear clothing that covers arms and legs. These might feel a little softer, but they wont go away.. In some cases, there is no demarcation between the tiny bumps and the surrounding skin. With this condition, you develop scaly, discolored spots called actinic keratoses. When she's not writing, look for her out walking her dog or riding her bike in Pennsylvania's Lehigh Valley. In many cases, its not easy to tell which lesions will become cancerous and which will stay benign. Are tests needed to confirm the diagnosis? It is also called squamous cell skin cancer in situ or Stage 0 . The 2020 study mentioned listed how frequently AKs appear on each area of the face: Meanwhile, facial acne will most often erupt in your T-zone, which includes your chin, nose, and forehead. For an optimal experience visit our site on another browser. Types of surgery include: If you have multiple lesions on your face, your doctor may prescribe a topical cream or gel you can apply at home. Using this approach can reduce your risk of developing new AKs and possibly skin cancer. In some cases, it fades and reappears over a long period of time. So in my case, it took four weeks on the dot. Plaques don't move and are usually flat or only slightly raised. Untreated, they can turn into a type of skin cancer called squamous cell carcinoma. If you want to diminish a noticeable scar, know these 10 things before having laser treatment. When you see a board-certified dermatologist about AKs, your dermatologist will: Ask questions about your health, medications, and symptoms. According to the Skin Cancer Foundation, sun exposure is a major factor in the development of actinic keratosis. Their rough texture means they are often easier to feel than to see, according to the American Osteopathic College of Dermatology (AOCD). clinuvel.com/science-of-skin/skin-conditions/skin-cancer/actinic-keratosis, ncbi.nlm.nih.gov/pubmedhealth/PMHT0024655/, my.clevelandclinic.org/health/articles/actinic-keratosis, aad.org/public/diseases/scaly-skin/actinic-keratosis, mayoclinic.org/diseases-conditions/actinic-keratosis/basics/definition/con-20030382, jle.com/en/revues/ejd/e-docs/actinic_keratosis_how_to_differentiate_the_good_from_the_bad_ones__269669/article.phtml?cle_doc=00041D65, skincancer.org/skin-cancer-information/actinic-keratosis/what-is-actinic-keratosis, Everything you Need to Know About Human Papillomavirus Infection, Why You Need to Reconsider That Sunscreen Youre Using, Overview of Purpuric Rash, a Symptom of Some Conditions, Debra Sullivan, Ph.D., MSN, R.N., CNE, COI, How to Get Rid of Dark Circles Permanently, have a history of sunburns earlier in life, have been frequently exposed to the sun over your lifetime. An actinic keratosis can develop after ultraviolet light from the sun or from indoor tanning damages cells in the skin called keratinocytes, according to the AAD. Get the best news, information and inspiration from TODAY, all day long. All rights reserved. After you finish treatment, youll see new, healthier skin. It is also known by other names like: The condition accounts for 50% of the global population, and is usually common in fair-skinned individuals between the ages of 30 and 60 years. Accessed Sept. 30, 2020. Actinic keratoses are considered precancers, and over time, actinic keratoses may turn into a type of skin cancer called squamous cell carcinoma. Remember to do the following: Its also a good idea to examine your skin regularly. Make a donation. When did you first notice the patches or spots? Males get more affected than females. The lesion will scab over and fall off within a few days after the procedure. Should you have an AK, an accurate diagnosis and treatment can: Reduce your risk of developing skin cancer, Get rid of an AK, replacing it with new, healthy-looking skin, Help ease symptoms, such as itch, pain, or tenderness. Actinic keratosis. Best sunscreens for every age and sensitivity level, American Osteopathic College of Dermatology, How to avoid squamous cell carcinoma this summer, Whats on my skin? Micali G, Lacarrubba F, et al. Youll need to receive these treatments from a licensed healthcare professional, such as a dermatologist, in a medical office. Seborrheic keratoses are characterized by keratin on the surface the same fibrous protein that fingernails, hooves, and horns are made of. You might also notice your lips lose color, with the edges fading into the same hue as the rest of your face. An actinic keratosis sometimes disappears on its own but might return after more sun exposure. Heres how long botox tends to last. Actinic keratoses localized superficial tumors with the biological potential to develop into invasive skin cancer.Although the chance of an individual actinic keratosis progressing into an invasive squamous cell carcinoma is less than 1%, patients with many of these lesions (very common) who continue to expose their skin to carcinogenic ultraviolet sunlight are likely to develop invasive skin . One type of skin growth that can look exactly like a seborrheic keratosis is known as actinic keratosis. It should block both ultraviolet A (UVA) and ultraviolet B (UVB) light. People who have skin thats been badly damaged by ultraviolet (UV) light develop AKs and have a higher risk of getting skin cancer. In the course of time, the skin lesions grow bigger in size. Then youd apply it again, using it every night for 2 weeks. Imiquimod cream: This can be a good option for the face because you can apply it once (or twice) a week, so you dont get lots of redness and crusting. This image displays actinic keratoses that have developed very thick, crusty scale known as hypertrophic actinic keratoses. There are several, It's not just the ingredients. Sometimes it looks like small bubbles or cysts within the growth. This image displays a bald scalp with areas of sun damage and actinic keratoses. Actinic keratosis develops slowly. There might be itching or burning in the affected area. Actinic keratoses that develop on the lip are called actinic cheilitis. The top part of the growth is often white or yellowish in color and has a rough texture. Prolonged and intense sun exposure acts as a contributing factor in causing the condition. For a few people, a dermatologist may recommend frequent skin exams rather than treatment. These cancers are treatable and have a better outlook than melanomas. Carbon dioxide or Er:YAG lasers can repair the sun damaged skin in a short span of time. This is actually one of the most common conditions that dermatologists diagnose and treat, so these doctors have a lot of experience with AKs. These lesions are considered precancerous. As your skin heals, the damaged cells slough off, allowing new skin to appear. But sometimes an actinic keratosis can be hard to tell apart from skin cancer. During the test, examiners usually detect these lesions on sun-exposed areas of the skin like bare scalp, face and hands. Photodynamic therapy: This may be recommended for a patient who continues to get new AKs or has AKs that return after treatment. This image displays a close-up of actinic keratoses. This disease is most common in infants and children, but adults may be, Genital human papillomavirus (HPV) infection is a common sexually transmitted infection (STI) caused by human papillomavirus. Affected individuals can use gels containing 0.05% or 0.015% of the substance on trunk, upper extremities, face and scalp. Treatment and prognosis of low-risk cutaneous squamous cell carcinoma. https://www.aad.org/media/stats/prevention-and-care/sunscreen-faqs. This image displays an actinic keratosis in an unusual location, the side of the finger. Everyone's at risk for skin cancer. Epidemiology, natural history, and diagnosis of actinic keratosis. https://www.uptodate.com/contents/search. Erythroderma is not a clinical feature . The skin protrusions are remarkably thick and the base of the horn could be flat or nodular. The skin becomes tender when multiple lesions develop within a single area, causing more discomfort and agony. Accessed Nov. 12, 2020. An actinic keratosis (also known as a solar keratosis) is the most common skin condition caused by sun damage. Once a month, you should perform a self-exam to look for signs of skin cancer. When it heals in 1 or 2 weeks, you see new, healthier skin. Skin cancer is the most common cancer in the United States. The American Academy of Dermatology (AAD) estimates that 40 million people in the U.S. develop actinic keratoses each year. Actinic keratoses vary in appearance. After treatment, the skin will feel raw and sore. After treatment, the skin will feel raw and sore. This medication can harm an unborn baby. The patches are not usually serious. Seborrheic means greasy and keratosis means thickening of the skin. If you have many AKs, its a good idea to be under a dermatologists care. Its also known as asolar keratosis. Avoid applying this ointment to other areas, especially around your eyes or on your lips. Sometimes, physicians prefer other means of surgical procedures to remove the painful lesions. You can search by location, condition, and procedure to find the dermatologist thats right for you. Actinic keratoses are rough , scaly spots that form on sun-damaged skin. The light activates the solution, which can destroy the AKs. Advertising revenue supports our not-for-profit mission. In severely chronically sun-damaged individuals, they may also be found on the upper trunk, upper and . In most cases, people who develop actinic keratosis are in their 40s or older. It may take several years or even decades for the skin to undergo keratosis. This image displays actinic keratosis of the legs. Tirbanibulin ointment: This may be an option for treating AKs on your face and scalp. In the very early stages, squamous cell skin cancer can look like actinic keratosis. 9th ed. (2022). A single lesion generally doesnt pose a major cause for concern, but theres a small chance that an actinic keratosis can become cancerous. You can learn more about how we ensure our content is accurate and current by reading our. It works by removing the surface layer of the skin. This site complies with the HONcode standard for trustworthy health information: verify here. Seborrheic keratoses are raised growths on the skin. The treatment procedure is, however, discomforting and the skin may remain in the inflamed state for many weeks. As the epidermal cells begin to deteriorate, there is a modification in the texture and color of the skin. Post-treatment, patients must go for annual check-up to make sure that the problem does not recur or the minute lesions are not growing bigger. This means that even short-term exposure to sun on a regular basis can build up over a lifetime and increase the risk of actinic keratoses. The appearance of actinic keratoses and seborrheic keratoses is very similar. To be effective, treatment must destroy the AKs. Curettage: If you have an extremely thick AK, this may the best treatment. He has been writing for Prime Health Channel more than 750 high quality and informative based medical / health articles for both consumer and professional readers. Use a full-length mirror with the added assistance of a hand mirror, when necessary. Do you know which one? The cancer is capable of spreading to other regions of the skin. CSANZ 2018 Annual Scientific Meeting, Brisbane: video highlights ESC 2017 Congress, Barcelona: video highlights ESC 2019 Congress, Paris: video highlights Learn more: Vaccines, Boosters & Additional Doses | Testing | Patient Care | Visitor Guidelines | Coronavirus. Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press. Following are the specialized forms ofSolar keratosis: In this type, the outermost layer of the epidermis consisting of dead cells, becomes hypertrophic and has a rough texture. (2020). When you treat at home, you apply medication to your skin as directed. They are slightly rough to the touch, like fine sandpaper, and may be a bit sensitive. Find her on Twitter and LinkedIn. skincancer.org/skin-cancer-information/actinic-keratosis/, aad.org/public/diseases/skin-cancer/actinic-keratosis-overview, medicaljournalssweden.se/actadv/article/view/1946, jamanetwork.com/journals/jamadermatology/article-abstract/2782523, jaad.org/article/S0190-9622(19)33290-6/fulltext, 5 Prescription Treatments for Removing Actinic Keratosis at Home, Everything You Need to Know About Nonmelanoma Skin Cancer, Mohs Surgery for Basal Cell Carcinoma: Before and After Treatment. If you have one or more AKs on your skin, a board-certified dermatologist can often diagnose you by looking carefully at your skin. Use these professionally produced online infographics, posters, and videos to help others find and prevent skin cancer. Quaedvlieg PJF, et al. Should that change be an AK, you have a greater risk of developing skin cancer. Freedberg, Irwin M., ed. Limiting time in the sun helps prevent the formation of actinic keratoses. Heres what you can expect when you see a board-certified dermatologist about AKs. This image displays actinic keratosis of the legs. After a brief incubation period, the target skin is exposed to light from a laser or other source. Other risk factors for actinic keratosis include: Actinic keratosis is a precancer, meaning that it can serve as a warning sign for future skin cancer. I see them multiple times a day in my office, said Dr. Allison Arthur, a dermatologist and dermatopathologist at Sand Lake Dermatology Center in Orlando, Florida, and a member of the American Academy of Dermatology. Heres a quick guide to help you identify a spot on your face. A real-world, community-based cohort study comparing the effectiveness of topical fluorouracil versus topical imiquimod for the treatment of actinic keratosis. J Am Acad Dermatol 2018;78:710-6. Apply generously 30 minutes before going outdoors and reapply every 2 hours or after swimming or sweating a lot. Picture of Actinic Keratosis (Solar Keratosis) Actinic keratosis: A small rough spot on skin chronically exposed to the sun, precancerous, can develop into a skin cancer called squamous cell carcinoma, a process that typically takes years. The base of an actinic keratosis may be light or dark . It is characterized by abnormal premature keratinization within individual or groups of cells below the stratum corneum. Fitzpatricks Dermatology in General Medicine (seventh edition). Mayo Clinic on Incontinence - Mayo Clinic Press, NEW The Essential Diabetes Book - Mayo Clinic Press, NEW Ending the Opioid Crisis - Mayo Clinic Press, FREE Mayo Clinic Diet Assessment - Mayo Clinic Press, Mayo Clinic Health Letter - FREE book - Mayo Clinic Press, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic School of Continuous Professional Development, Mayo Clinic School of Graduate Medical Education, Assortment of Skin Care Products from Mayo Clinic Store, Book: Mayo Clinic Family Health Book, 5th Edition, Newsletter: Mayo Clinic Health Letter Digital Edition. As you perform your monthly self-exam, familiarize yourself with the moles, freckles, and other marks on your body, and look for any changes in them from month to month, including shape, size, color, or other changes, such as bleeding or itching. 11 Because most patients have more than one actinic keratosis, another study . The deeper region of the epidermis comprises of melanocytes, producing melanin for pigmentation of the skin. Its not always necessary, but its usually a good idea to treat actinic keratosis. Actinic keratosis is usually found on the face, scalp, back of the hands, chest, or places that are often in the sun. American Academy of Dermatology. It tends to lie flat against the skin of the head and neck, but appears as a bump on arms and hands. Such individuals often complain of sunburns and tans. Martin G, Swanson N. Clinical findings using ingenol mebutate gel to treat actinic keratoses. J Am Acad Dermatol 2013;68:S39-48. These dermatologists' tips tell you how to protect your skin. Spread it evenly over the skin that your dermatologist says to treat. Padilla RS. http://en.wikipedia.org/wiki/Actinic_keratosis, http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001830/, http://www.mayoclinic.com/health/actinic-keratosis/DS00568, http://www.skincancer.org/skin-cancer-information/actinic-keratosis. This image displays an actinic keratosis in the center as well as prominent blood vessels, which suggest chronic sun damage.
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