Electrosurgery and curettage: Electrosurgery (electrocautery) involves numbing the growth with an anesthetic and using an electric current to destroy the growth. Are most often tan, brown, or black. The crust will fall off. This is can be seen when a mole gets rubbed from clothing such as a bra strap or waist bands, continues Dr. Patel. J Am Acad Dermatol. Seborrheic keratosisis a common skin growth that people usually develop after their 30's. When the acanthosis is mild it could be difficult to distinguish macular or reticulated type-SK from solar lentigo. In a survey among 594 board certified dermatologists from the US, participants declared to treat SKs with cryosurgery as a preferred method.38 Patients satisfaction has been evaluated in a small study in which curettage was also employed, with patients preferring cryotherapy over this other method.39. A case report with dermoscopic and immunohistochemical observations, Verrucous melanoma masquerading as a seborrheic keratosis. (A) Dermoscopy with multiple grey blue globule like structures. Some substances, such as tea tree oil, can trigger allergic contact dermatitis, an immune system reaction that causes itching and inflammation around the site. A seborrheic keratosis (seb-o-REE-ik ker-uh-TOE-sis) is a common benign skin growth, similar to a mole. Seborrheic keratosis growths can appear anywhere on your body, but they most commonly arise on sun-exposed areas of your skin, such as the face, head, neck, chest, back, arms, or legs. Bowenoid pattern is characterized by vascular structures like glomerular vessels, dotted vessels or a combination of both, while keratoacanthoma-like pattern is characterized by keratotic structures, blood crusts, pink color and linear/hairpin vascular structures.32 They are both difficult to differentiate from squamous cell carcinoma and histologic examination is often needed. Above the already cited atypical presentation of SK, more unusual dermoscopic patterns have been described. They can be removed through several ways. Id say that more than 90 percent of it was already completely detached from my skin, and just a tiny tiny portion of it was still connected. Importantly, an expert skin exam from a dermatologist can alleviate patient concerns about whether a particular lesion is cancerous or not. Heres how long botox tends to last. Although they can affect teenagers or young adults, the growths are most common among adults aged 50 and older. All text is copyright property of this site's authors. They can scare people into thinking they're melanoma, especially since they can be dark or with more than one color, uneven in border and suddenly begin changing in appearance. Seborrheic keratosis lesions are rarely painful but can be annoying, depending on their position. Moreover, elongated bright tubular structures with bulbous projections can be seen at this level, they correlate with fingerprinting in dermoscopy. Scarysymptoms.com will not be liable for damages arising out of or in connection with the use of this site. Can diet help improve depression symptoms? Prevalence of solar damage and actinic keratosis in a Merseyside population. A seborrheic keratosis is a benign skin barnacle. As highlighted by Carrera et al23 the majority of melanomas (MM) clinically resembling SKs could have been correctly diagnosed applying dermoscopy. Keratin-filled surface invaginations or corneal plugs seen in RCM correspond to comedo-like openings in dermoscopy. And unfortunately, sometimes a melanoma can pass for a seborrheic keratosis. American Academy of Dermatology Association. If scratched or picked at, the growths can become irritated. Raised or not: Can look as if stuck onto the skin, but some are flat. It causes itching or irritation, or clothing and jewelry rub against it. Braun RP, Ludwig S, Marghoob AA. '(^6Mx V5B";HW8U_PG} W>_(!GHk/A>B5p7x.^Ztc`u[\[Zewdug+t9X{QnM_^&GCc ao.iW T _s@sSvbSH1L@Q9#`}>&"( o3LK:/,_"``@ k(@w4mF`[LP^"aq77f[LEB=`DoVi].VsN/' KzF?}wg)!Rwo7`}?gipd.FQUit|%sFJfMZr! The individual does not like it and wants to remove it. A pseudo Leser-Trlat sign has also been reported, defined as the sudden onset of pruritus and erythema involving pre-existing multiple SKs during chemoterapy.37. They are usually round and brown in color, beginning as small rough bumps that thicken over time. The doctor uses a laser to remove the lesion. Anyone with concerns about a lesion should see a doctor, who can check that it is not melanoma and advise on treatment, if appropriate. (B) Close up showing a small dark brown, partially keratotic macule. (B) In RCM, numerous bulbous projections at the level of DEJ and the so-called cord like appearance are seen. These slow-growing spots are typically raised and sometimes have a rough texture. Seborrheic keratoses are harmless lesions that appear on the skin, especially as people get older. Warts result from a virus, such as the human papillomavirus (HPV). Heather L. Brannon, MD, is a family practice physician in Mauldin, South Carolina. Aven Buzz5632 Van Nuys Blvd #1420Sherman Oaks,CA 91401United States, 2023 Aven Buzz. (C) RCM mosaic at the level of the DEJ showing non edged papillae and meshwork pattern. These lesions are usually harmless, but you may want to have them removed for aesthetic reasons. (B) In dermoscopy a brain-like appearance is visible. In: Elder DE, Massi D, Scolyer RA, Willemze R, editors. By clicking Accept All Cookies, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. They are rarely dangerous and are almost always benign. During a physical exam, your doctor will look for seborrheic keratosis by using a dermatoscope. PDF Seborrheic Keratoses - Pioneer Valley Derm . In most cases of seborrheic keratosis, no further treatment is necessary. Invaginations to form keratin-filled pseudocysts are present. It is important not to pick or scratch them as this can lead to bleeding, swelling, and potentially, infection. Small case series have reported the use of intense pulsed light, pulsed-dye laser, Nd:YAG (neodymium-doped yttrium aluminum garnet) laser, or the 755-nm alexandrite picosecond laser.4144 None of these studies was specifically designed for elderly patients, head-to-head comparison of the various laser treatments are missing. What is the outlook for someone with seborrheic keratosis? The growths can have a variety of appearances but are somewhat flat and scaly with a rough texture, and may look like something artificially stuck on the skin. Sometimes it is permanent. Seborrheic keratoses are skin growths that typically first appear when you reach middle age. Seborrheic keratosis is a noncancerous condition that can look like a cancerous melanoma. Some people may want to go through medically approved procedures like ablation, electrocautery and cryosurgery in order to remove them. This will allow a specially trained doctor to look for skin cancer cells under a microscope. These growths are a noncancerous (benign) type of skin tumor. We link primary sources including studies, scientific references, and statistics within each article and also list them in the resources section at the bottom of our articles. Del rosso JQ. The most frequently mutated genes in seborrheic keratoses are FGFR3 (fibroblast growth factor receptor 3) (found in 71% or sporadic seborrheic keratosis) and the p110 catalytic subunit of phosphatidylinositol 3 kinase (PI3K) (found in 50% of sporadic seborrheic keratoses).11 SKs have a higher proliferative rate than normal keratinocytes, apoptosis is suppressed in SKs compared with healthy skin. Memon AA, Tomenson JA, Bothwell J, Friedmann PS. Papageorgiou C, Spyridis I, Manoli SM, et al. From a medical standpoint, seborrheic keratoses are meaningless. They have a waxy, scaly, slightly elevated appearance. The lesson learned here is just because a freezing chemical spray can cause a skin lesion to fall off, doesnt mean that there should necessarily be any dramatic changes in appearance (as there often is with actinic keratoses). Clinical presentation and an update on pathogenesis and treatment options, Effectiveness of erbium: YAG laser and cryosurgery in seborrheic keratoses: Randomized, prospective intraindividual comparison study, Basal cell carcinoma arising within seborrheic keratosis. Seborrheic keratoses are the most common neoplasms in elderly persons and affect up to 60% of this population. Seborrheic keratosis is a common skin growth that people usually develop after their 30's. What you may have noticed is that they start out flat and over the course of time they tend to have a raised appearance and look like a wart. Kopf AW, Rabinovitz H, Marghoob A, et al. (B) Close up of the 7 mm macule finally diagnosed as melanoma. Wart on Scalp: Causes, Side Effects, Risks, and Treatment - Healthline Can Seborrheic Keratosis Fall Off On Its Own? - Aven Buzz An official website of the United States government. Dermal nevi are raised above the skin, but will usually bleed if they inadvertently get rubbed, causing separation at the edge.. List of Dermoscopic and RCM Features of the Main SK Subtype. Hafner C, Landthaler M, Mentzel T, Vogt T. FGFR3 and PIK3CA mutations in stucco keratosis and dermatosis papulosa nigra, Evaluation of dermoscopic algorithm for seborrhoeic keratosis: a prospective study in 412 patients. After the removal of a seborrheic keratosis, the skin may be lighter than the surrounding skin. (A) The patient had multiple nevi and multiple SKs. Its affecting many people both kids and even the Seborrheic keratosis can come up in the form of bumps on the skin. It's color can range from white, tan, brown, or black. Adenoid or reticulated SK. The reticulated or adenoid type of SK contains numerous thin tracts of basaloid epidermal cells that are branched and interwoven. So in my case, it took four weeks on the dot. However, a doctor may recommend removing the growth in the following cases: If the dermatologist carries out a biopsy, they will usually remove the seborrheic keratosis at the same time. In LPLK, numerous plump bright cells are seen at the level of the superficial dermis together with remnants of the cord-like pattern typical on SK. &"BhZbc. (D) RCM image at the level of the DEJ showing enlarged inter papillary spaces and multiple pseudo horn cysts. Medication: People who use epidermal growth factor receptor inhibitors to treat cancer may have a higher risk of warty growths. Ablative surgery removes the top layer of skin and heats the underlying layer to stimulate the growth of new collagen fibers. She offered to also spray the seborrheic keratosis (no extra charge), so I said okay. However, since it can be hard to distinguish between skin cancer and seborrheic keratoses, it is best to check with a doctor, especially if multiple lesions appear in a short time or if lesions change. In this case, it is known as Leser-Trelat sign. Open Access Maced J Med Sci. Dermoscopy of SK has been extensively described in literature.4,5,12 The three main features of SK are: Hyperkeratotic SK. Seborrheic Dermatitis: What Is It, Diagnosis & Treatment - Cleveland Clinic All rights reserved. 1 min read. Seborrheic keratosis "Some seborrheic keratoses can crumble or flake off with pressure from rubbing because they are not strongly attached at the epidermal junction," says Dr. Patel. A doctor shaves off the lesion with a scalpel without touching the layers beneath the skins surface. Rinse well and towel off. While it may look like warts, seborrheic keratosis isn't caused by HPV and doesn't spread to others. 1 min read. 2015;26(5):477-80. doi:10.3109/09546634.2015.1024597, Bedir R, Yurdakul C, Gucer H, Sehitoglu I. Basal cell carcinoma arising within seborrheic keratosis. Cryotherapy is the easier to perform and fast treatment, that can be used to safely remove multiple SKs at a same time. Harmless But Annoying: Sebhorrheic Keratosis | Premier Health The seborrheic keratosis does NOT cause or trigger the melanoma. If you have what feels like razor bumps or acne on the back of your neck or scalp, you may have acne keloidalis nuchae. (Figure 5) In the non-pigmented variety, the presence of polymorphous vessels that are glomerular, linear-irregular and dotted along with a white network have been reported. They are most common after the age of 30, but may occur at any age. Melanoma mimicking an SK with regression. x]6r}Wo-VZol]O~tkZURT L 6a$/1u_9/17~4YwU->E_yOue]?~|/0WEe2wYM&_e]S+{Cnr9yz'[. February 10, 2022 Exposure to ultraviolet (UV) light: Similarities with solar lentigo suggest UV light may play a role. Many kids and older ones are having Seborrheic keratosis is one of the most common skin conditions on earth today. A pseudo network is visible with well-demarcated borders. (A) A solitary dark papule on the abdomen of a 68-year-old man. Since it takes a while for it to develop, the chances of seborrheic keratosis falling off on its own are extremely rare. The color of seborrheic keratoses can vary and can include white, brown, or black. She has been in practice for over 20 years. In-depth explanations you wont find on other sites. SKs seem to result from a clonal expansion of a mutated epidermal keratinocyte. Some people need only electrocautery, some need curettage, and others need both. On the face, however, they will use a lower current and will not numb the area. On the other hand, melanoma may mimic seborrheic keratosis, leading to incorrect patient management. These growths are harmless, but you may want to have them removed for aesthetic reasons or because they are a source of irritation. OgAVnl&.EX4mmJh_a.MNZNmH6xV&J4(PD4}Vv-Q(q8RtGvV7Y${[8\Az$;{MMU[br4iz(r H$#g Ag~g6 fx\("wz%_vO^2^JqI/-'s wy2 Compound nevi have nests of melanocytes [pigment cells] that are above and below the skin surface and most likely bleed since there is no clean separation at the dermal junction of this lesion. Find out why dark spots appear and what can fade them. At no time did I try to pick it off. These harmless skin barnacles usually begin appearing after age 40 and can show up anywhere on the skin. A doctor applies liquid nitrogen to the growth with a spray gun or cotton swab. Highlights of prescribing information. the need for several sessions, as a doctor may be unable to remove all lesions in one intervention. (A) Clinical view of the back of a 78-year-old man with multiple SKs, cherry angiomas and nevi. ?M5EoT?21bS]40mV2kbkdMbRsiwy:ioDM(I]_!Z ]!w5#~p6)R=s 59gGvz9$y"u:P/&mH|BrL.8AW)VV5S;w:f?5HJ0)ga>5,m&68qPxz1K! Straightforward information on fitness, exercise and fat loss. A dermatologist may remove a seborrheic keratosis when it: If the growth looks like skin cancer, your dermatologist will likely shave off the growth with a blade or scrape it off. In Seborrheic keratosis is a very common skin condition. 2017;16(9):835-42. So long as seborrheic keratosis does not interfere with daily activities, it may be left to disappear on its own if its appearance does not seem to be much of a problem to a person. The appearance of seborrheic keratoses can vary widely. seborrheic keratosis solely for cosmetic reasons, your insurance company may not cover it. Life Skills App Helps Autistic College Students Thrive, The Autistic Competitive Edge in the Workplace, Autism Knows No Limits for These Mountain Hiking Twins. recurrence of growths or lesions continue to appear in other areas. HHS Vulnerability Disclosure, Help government site. Can melanoma ever behave this way? 2023 Dotdash Media, Inc. All rights reserved, Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Benign acanthomas/keratoses. This work is published and licensed by Dove Medical Press Limited. If it does, the dermatologist will remove the growth so that it can be looked at under a microscope. (Figure 6) There is evidence of increased apoptosis and lichenoid degeneration of the basal layer.1 Clinically, this results in the presence of scale, crust, and erosions, making the differential diagnosis from squamous cell carcinoma (SCC) challenging. They can be removed through several ways. Possible causes of seborrheic keratosis include: People with seborrheic keratosis may notice a spot or spots on their skin that: Sometimes, the spots on the skin can also: People are more likely to develop seborrheic keratosis if they: Although these growths appear most often on people with fair skin, those with darker skin can also develop the condition. Dermatologists are not certain why seborrheic keratoses develop. The crust will fall off. These spots can vary in size, from about the size of a pencil eraser to the size of a quarter (about an inch) or even larger. Skin barnacles, medically known as seborrheic keratoses, are wart-like growths that may appear anywhere on the skin except for the palms and soles. Seborrheic keratosis is a type of benign (non-cancerous) skin tumor or growth. Seborrheic keratoses are harmless, noncancerous growths that usually appear during adulthood. Also known as basal cell papilloma or seborrheic warts, seborrheic keratoses can appear anywhere on the skin except the palms, soles, and mucous membranes. (Biopsy is the standard diagnostic test used to confirm the presence of seborrheic keratosis. Seborrheic keratoses are a common benign skin growth that usually occurs in people over age 50. A dermatologist typically diagnoses seborrheic keratosis. They most often develop in people over age 40. Sometimes a blister forms under the seborrheic keratosis and dries into a scab-like crust. The size of seborrheic keratoses can vary, and they tend to grow slowly. Reflectance confocal microscopy (RCM) is a third level non-invasive diagnostic tool that may help lesion assessment in challenging cases.9. 2014;53(11):1346-50. doi:10.1111/ijd.12086. Melanin pigment is present in some cells. Seborrheic keratoses are harmless, noncancerous growths that usually appear during adulthood. (A) Dermoscopy of a lesion located on sun-damaged facial skin. 2017;10(3):16-25. Symptoms of seborrheic keratosis are skin growths that: Are located on the face, chest, shoulders, back, or other areas, except the lips, palms, and soles. They may be raised as if stuck onto the skin, but some are flat. Argenziano G, Rossiello L, Scalvenzi M, et al. This photo contains content that some people may find graphic or disturbing. How Fast Can a Seborrheic Keratosis Grow? Seborrheic keratoses: overview. They appear gradually, usually on the face, neck, chest or back. Several laser treatments can be employed. Seborrheic keratoses are usually brown, black or light tan. J Dermatolog Treat. Seborrheic Keratosis Removal With Hydrogen Peroxide, Home Remedy For Removing Seborrheic Keratosis, Herbal Treatment For Seborrheic Keratosis. If the doctor suspects melanoma or is unsure, they may recommend a biopsy for examination under a microscope. Fat fingers: a clue in the dermoscopic diagnosis of seborrheic keratoses. When a mole behaves strangely, this doesnt necessarily mean melanoma, but it means you should have a dermatologist inspect it. Differential Diagnosis and Management on Seborrheic Keratosis in (A) Clinical overview of the back of one 70-year-old man with multiple SKs. (C) In dermoscopy the lesion appears heavily pigmented, with peripheral streaks and a central hyperkeratosis. What if a mole, however, begins coming away from the skin? They are in actual fact nothing to worry about unless they dont look attractive in areas of the skin where they can easily be seen. (2017). Learn about common types of skin bumps and when, Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. Wood LD, Stucki JK, Hollenbeak CS, Miller JJ. pPm+$U+37>fQJ[nf0q]uX$'_/dO'/tQ?L="xpv1# p"$,n9"^h'@jcTH#]C|%-(5y9uV[]K$+C1];)1)LNov./fi*8AHI1 ^I~. Reflectance confocal microscopy (RCM) is a non-invasive imaging technique that allows to visualize the skin in vivo at a level of resolution similar to conventional histology. When located on the face, flat SKs may require a careful differential diagnosis from lentigo maligna (LM). The management of SK is usually conservative, patients may require lesion removal for either cosmetical or functional reasons. Everyone's at risk for skin cancer. They typically begin appearing after age 40 and can grow anywhere on the body. Find out what may be causing the itch and what can bring relief. The main limitation of dermoscopy is the evaluation of regressing lesions, in RCM one limit could be a high degree of hyperkeratosis of the lesions hampering the visualization of the DEJ. This article helps show how common conditions present in different skin tones and age groups, including, Moles are small skin lesions consisting of cells that produce melanin. While most dermatologists can diagnose them by appearance alone, they may perform a skin biopsy to rule out worrisome conditions like skin cancer. These dermatologists' tips tell you how to protect your skin. Find out how a board-certified dermatologist helped Natalie see clear skin before her wedding. Researchers are currently looking into options for topical applications to remove seborrheic keratoses. Be proactive and see a dermatologist for a proper diagnosis and treatment plan. All text is copyright property of this site's authors. Limits of RCM diagnosis of SKs have been highlighted in a study on 390 cases. They occur more frequently with age; more than 90% of adults aged 65 and older are believed to have at least one seborrheic keratosis. Braun RP, Rabinovitz HS, Krischer J, et al. You can learn more about how we ensure our content is accurate and current by reading our. This simple rule may avoid missing the aggressive type of nodular melanoma. Following the first treatment, complete healing was detected in all of the lesions (100%) treated with Er:YAG lasers, the healing rate was 68% in the cryotherapy group (P <0.01). . Everything else about it looked the same as it had the day of treatment. Papageorgiou V, Apalla Z, Sotiriou E, et al. Hyperkeratotic SK. Men and women are affected equally. % This is a change that needs a medical examination. Finally I contacted the dermatologists office and asked how long it usually takes for the liquid nitrogen to make a seborrheic keratosis fall off. Drop us a line, we would really love to hear from you. Correspondence: Elvira Moscarella Dermatology Unit, University of Campania, Nuovo Policlinico (edificio 9C), Via Pansini 5, Naples, 80131, Italy, Phone: Tel +39 335 1727229, Email elvira.moscarella@gmail.com. Seborrheic keratosis: Symptoms, treatment, and causes - Medical News Today J Drugs Dermatol: JDD. Seborrheic keratosis doesn't typically need treatment unless you consider it cosmetically undesirable, it's uncomfortably itchy, or it's easily irritated. There are several ways to remove seborrheic keratoses. Seborrheic Keratosis > Fact Sheets > Yale Medicine Your Questions Answered. Dozens of conditions can affect this skin. These growths can vary in appearance but typically: Because only the top skin layer is involved, seborrheic keratosis often has a "pasted-on" appearance, similar to a barnacle. In most cases, seborrheic keratoses do not need treatment, but a person may opt to remove them if they snag on clothing or feel unsightly. Freezing a growth with liquid nitrogen (cryotherapy) can be an effective way to remove a seborrheic keratosis. Careers, Unable to load your collection due to an error. Twenty-six days later, the lesion was still seemingly very stuck to my skin. In general, if a seborrheic keratosis is symptomatic to the patient in any way, it might need treatment. Seborrheic Keratoses Guide: Causes, Symptoms and Treatment Options They are most common in older individuals and appear most frequently on the chest, back, neck, or face. The fact that the skin condition Several methods had been developed for the effective removal of senile warts. The term keratosis refers to a knobby overgrowth of keratinocytes. They can be hard to tell apart from skin cancer, so it is essential to see a doctor about any new or unexplained lesions. Clinical, dermoscopy, RCM and histology of an acanthotic SK. 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), but not on the palms and soles, Range in size from a pinpoint to over an inch in diameter, Light tan to dark brown but may also be white, black, yellow, or grey, Bleeding on or around seborrheic keratoses, Chronic friction (such as inside skin folds). You may find it difficult to Seborrheic keratosis is not so uncommon around today. What Triggers Seborrheic Keratoses? - MedicineNet It's important to not make assumptions about any new spots, patches, or growths that develop on your skin. Because skin barnacles can sometimes look suspicious, your dermatologist may want to perform a biopsy to make sure the lesion is not cancerous. Susan Bard, MD, is a board-certified dermatologist in New York City. This is the only way to tell for sure whether a growth is skin cancer. Brenn T, Elgart GW, Howard V, et al. Squamous cell carcinomas in situ arising in seborrheic keratoses: an association with concomitant immunosuppression? Dermatoscopic findings of seborrheic keratosis in Melanoma, Not all lesions with a verrucous surface are seborrheickeratoses, Prevalence of melanoma clinically resembling seborrheic keratosis: analysis of 9204 cases, Dermoscopic clues for diagnosing melanomas that resemble seborrheic keratosis, Occult basal cell carcinoma arising in seborrheic keratosis, Seborrheic keratosis mimicking basal cell carcinoma under dermoscopy: a case report. Instead of pulling it in a linear fashion, I gently rotated it to loosen its grip, and it detached, completely intact (below) and still looking as it did hours after the liquid nitrogen spray. Scabby Dry Mole: Possible Melanoma or Benign? Seborrheic keratosis - Diagnosis and treatment - Mayo Clinic All lesions were examined with dermoscopy, also the hidden ones. They can look waxy or rough, like a wart. (A) Multiple solar lentigos and SKs on the back of a 69-year-old man. Melanoma should be excluded also when evaluating SKs located on the face. They can occur anywhere on the body except the soles of the feet and palms of the hands. (E) Histology showing an SK with diffuse melanin pigmentation and colonization by melanocytes (hematoxylin and eosin, original magnification 200x). The .gov means its official. h3OZF^Afw[4 ee53n# They usually appear as tan, brown, yellow, gray, or very dark brown warty growths stuck onto the back, shoulders, chest, or face. Here are some answers to questions people often ask about seborrheic keratoses. Color changes including becoming grey, red or black, Increase in size, especially accompanied by increasing asymmetry, Increase in height or becoming elevated, Previously normal looking mole is now ugly or much darker, MOLES AND MELANOMA However, the optimal number of treatment sessions was not evaluated.45. If one is scratched, it can definitely bleed from the trauma, but this doesnt mean it has melanoma growing in it. Dermatology, Pediatric Dermatology, Dermatologic Surgery, Dermatology, Medical Oncology, Melanoma and Onco-Dermatology, A common type of noncancerous skin tumor that resembles a wart, Symptoms include a raised, oval or round spot on the skin that may bleed or be itchy, Treatment includes cryotherapy, electrosurgery, curettage, laser treatment, dermabrasion. The lesion seemly came off all at once, save for that teensy part of it. The content on this site is meant for information and guidance only, not for diagnosing or treating medical conditions. Also known as senile warts, seborrheic keratoses are very common in aging skin, developing typically on the trunk, head and neck, and in skin creases.1, Ultraviolet radiation exposure is considered the most important etiologic factor; other possible causes under investigation include genetic and metabolic factors.2,3, Several histologic subtypes have been described that give rise to a variety of clinical presentations.1 Usually, SK presents clinically as solitary or multiple pink to brown flat plaques with a filiform surface (Figure 1).
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