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A melanocytic nevus (also known as nevocytic nevus, nevus-cell nevus, and commonly as a mole) [1] [2] is usually a noncancerous condition of pigment-producing skin cells. It is a type of melanocytic tumor that contains nevus cells . [ 2 ]
Giant congenital melanocytic nevus in newborn. Congenital melanocytic nevi may be divided into the following types: [6]: 690–1 Small-sized congenital melanocytic nevus is defined as having a diameter less than 2 cm (0.79 in). [6]: 690 Medium-sized congenital melanocytic nevus is defined as having a diameter more than 2 cm (0.79 in) but less ...
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.
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.
The other correlating pictures led me to similar articles, so I decided to stop using Google Lens and turn to my actual Google search bar to look up “melanocytic nevus.” The first hit was from ...
Neurocutaneous melanosis is associated with the presence of either giant congenital melanocytic nevi or non-giant nevi of the skin. It is estimated that neurocutaneous melanosis is present in 2% to 45% of patients with giant congenital melanocytic nevi. Patients with non-giant congenital melanocytic nevi seem to have a much lower, but undefined ...
Melanocytic nevus. Melanocytic nevi can be categorized based on the location of melanocytic cells [2] Junctional: epidermis; Intradermal: dermis; Compound: epidermis and dermis; Atypical (dysplastic) nevus: This type of nevus must be diagnosed based on histological features. Clinically, atypical nevi are characterized by variable pigmentation ...
Melanocytic nevi and neoplasms are caused by either a proliferation of (1) melanocytes, or (2) nevus cells, a form of melanocyte that lack dendritic processes. [78] [79] Acral nevus (melanocytic nevus of acral skin, melanocytic nevus with intraepidermal ascent of cells) Amelanotic blue nevus (hypomelanotic blue nevus) Becker's nevus; Balloon ...