Giant congenital melanocytic nevi are large, dark-colored lesions on the skin. They’re generally not harmful but may increase your risk of conditions like melanoma. Treatments are available. A giant ...

Melanocytes describe a specialized type of cell that generates a substance called melanin, a pigment responsible for skin and eye color. When several melanocytes cluster together, they form a benign, ...

The first description of a particular melanocytic nevus found in relatives from six cases of melanoma was made in 1978. [1] Although initially coined B-K moles, these moles soon acquired the name ...

The dysplastic nevus initially was described in the 1980s as a mole with increased risk of developing melanoma and requiring total removal. However, dermatopathologists now consider dysplastic nevi to ...

RAS proteins are critical for cell divisions, differentiation, and apoptotic processes. Oncogenic RAS variations cause cancer, but they can also induce benign lesions such as thyroid nodules, colonic ...

Melanocytic nevi, or moles, are nonmalignant growths that arise from pigment producing cells of the skin. They are mostly found in sun-exposed areas; however, they also can be found in sun-protected ...

The histology of our second case revealed dysplastic nevus with severe atypia. The presence of nevus cells on the lateral margin of a dysplastic nevus with severe dysplasia requires wider excision. In ...