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The benign mole in the below image has a border that is not perfectly consistent, but it's quite circular compared to the above picture of the melanoma. picture of benign mole irregular border ...
An atypical mole may also be referred to as an atypical melanocytic nevus, [2] atypical nevus, B-K mole, Clark's nevus, dysplastic melanocytic nevus, or nevus with architectural disorder. [3] Dysplastic nevi often grow to larger than ordinary moles and may have irregular and indistinct borders.
While they vary in size, dysplastic nevi are typically larger than normal moles and tend to have irregular borders and irregular coloration. Hence, they resemble melanoma, appear worrisome, and are often removed to clarify the diagnosis. Dysplastic nevi are markers of risk when they are numerous, such as in people with dysplastic nevus syndrome ...
However, a melanocytic nevus is benign, and melanoma is malignant. Most melanocytic nevi never evolve into a cancer, with the lifetime risk for an individual nevus being 1 in 3000 for men and 1 in 11 000 for women. [5] Moreover, dermatologists have a standardized system for determining whether a skin lesion is suspicious for malignant melanoma.
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The features include: 1) two or more clinically atypical nevi, 2) more than 100 nevi in patients between 20 and 50 years of age, 3) more than 50 nevi in patients under 20 years of age or more than 50 years of age, 4) more than one nevus in buttocks or instep, 5) nevi on the anterior scalp, 6) one or more pigmented lesions in the iris.
Melanoma, the deadliest form of skin cancer, can grow quickly and spread to any organ if not found and treated early, the Cleveland Clinic warns.More than 100,000 new cases of melanoma will be ...
Nevus (pl.: nevi) is a nonspecific ... atypical nevi are characterized by variable pigmentation and irregular borders. [5] ... Some nevi are known to be benign, and ...