It may seem worrisome because it can look like a wart, pre-cancerous skin growth (actinic keratosis), or skin cancer. Despite their appearance, seborrheic. Seborrheic keratosis is a noncancerous condition that can look a lot like melanoma. In this article, learn about the difference and when to see a. Seborrheic keratosis — Comprehensive overview includes symptoms and treatments of this common, noncancerous skin growth common in.

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Epidermal wart callus seborrheic keratosis acrochordon molluscum contagiosum actinic keratosis squamous-cell carcinoma basal-cell carcinoma Merkel-cell carcinoma nevus sebaceous trichoepithelioma. Seborrheic keratoses on the back Seborrheic keratoses are very common on the back.

They tend to run in some families, so inheritance may play a role. The sun may play a role in causing seborrheic keratoses.

But a new one may occur elsewhere. Adalag thorough histopathological evaluation established the diagnosis of seborrheic seboroiik, Acanthotic and Hyperkeratotic type.

People with a history of seborrheic keratosis might not notice melanoma in its early stages if they are accustomed to unusual skin growths. Please use one of the following formats to cite this article in your essay, paper or report: The etiology is not well-known, although heredity, sunlight and human papilloma virus HPV have been suggested as risk factors.

American Osteopathic College of Dermatology. How coffee might protect against Parkinson’s. These growths also develop in people with medium to dark skin. Outcome After removal of a seborrheic keratosis, the skin may be lighter than the surrounding skin. The hallmark of the clonal nested seborrheic keratosis subtype is the proliferation of sharply demarcated intraepithelial nests of basaloid cells. Open in a separate window. Verruca vulgaris Verruca plana Plantar wart Periungual wart.


Despite their appearance, seborrheic keratoses are harmless. Pigment is present mainly within basal keratinocytes, although in melanoacanthoma of skin, a rare type of pigmented seborrheic keratosis, a marked increase in melanocytes containing melanin pigment is seen. Over time, ultraviolet UV radiation from the sun or tanning beds can change the way the skin behaves. Merkel cell carcinoma Microcystic adnexal carcinoma Mucinous carcinoma Primary cutaneous adenoid cystic carcinoma Verrucous carcinoma Malignant mixed tumor.

Displeases you and you want it removed. American Academy of Dermatology. However, treatment almost always requires removing the cancer, as well as any lymph nodes to which it has spread.

Chilblain Lupus erythematosus—lichen planus overlap syndrome Tumid Verrucous Rowell’s syndrome. What causes tongue bumps? Some people have just one, but it is common to develop several.

Is it seborrheic keratosis or skin cancer?

Some dermatologists refer to seborrheic keratoses as “seborrheic warts”, because they resemble warts, but strictly speaking the term “warts” refers to lesions that are caused by human papillomavirus.

Journal of Oral and Maxillofacial Pathology. Lichen sclerosus Anetoderma Schweninger—Buzzi anetoderma Aealah anetoderma Atrophoderma of Pasini and Pierini Acrodermatitis chronica atrophicans Semicircular lipoatrophy Follicular atrophoderma Linear atrophoderma adlah Moulin. This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.

Be careful not to rub, scratch or pick at them. Epidermal nevus Syndromes Epidermal nevus syndrome Schimmelpenning syndrome Nevus comedonicus syndrome Nevus comedonicus Inflammatory linear verrucous epidermal nevus Linear verrucous epidermal nevus Pigmented hairy epidermal nevus syndrome Systematized epidermal nevus Phakomatosis pigmentokeratotica. Some lesions may be bothersome because of pruritus and are usually treated for this reason.

Other treatments for seborrheic keratoses include: How do dermatologists treat seborrheic keratoses? Doctors can remove a seborrheic keratosis using one of a range of minor surgical procedures. Recent genetic studies have suggested that somatic mutations in Fibroblast Growth Factor Receptor 3 FGFR3 gene are important in the development of these lesions.


About 83 million Americans have seborrheic keratosis. In most cases, a dermatologist can tell if your skin growth is a seborrheic keratosis by looking at it.

Treatment of melanoma skin cancer, by stage. Seborrheic keratoses range in color from white to black; however, most are tan or brown.

Some people notice that the growths tend to spread on their skin over time. A new, large-scale genomic analysis suggests that having a genetic predisposition to type 2 diabetes may cause erectile dysfunction. Because these growths also develop on skin that’s always covered, more research is needed. Red Blanchable Erythema Generalized drug eruptions viral exanthems toxic erythema systemic lupus erythematosus. Please review our privacy policy.

Seborrheic keratosis vs. melanoma: What’s the difference?

Privacy Terms Ad policy Careers. The crust will fall off. Current understanding of seborrheic keratosis: Localized scleroderma Localized morphea Morphea—lichen sclerosus et atrophicus overlap Generalized morphea Atrophoderma of Pasini and Pierini Pansclerotic morphea Morphea profunda Linear scleroderma. These usually develop after the age of 50 years although occasionally, seen in young adulthood without any sexual predilection. On palpation, the mass was firm in consistency with no tenderness or discharge.

Seborrheic keratoses don’t become cancerous and aren’t thought to be related to sun exposure, but they can look like skin cancer. Seborrheic keratosis in the Korean males: Early-stage melanomas may be successfully treated by removal alone.