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Common acquired nevus - Hair and Scalp
See also in: Overview,External and Internal Eye,Oral Mucosal Lesion
Other Resources UpToDate PubMed

Common acquired nevus - Hair and Scalp

See also in: Overview,External and Internal Eye,Oral Mucosal Lesion
Contributors: William M. Lin MD, Sarah Hocker DO, Susan Burgin MD
Other Resources UpToDate PubMed

Synopsis

Common acquired nevi (moles) include junctional, dermal, and compound nevi, which are all considered benign. These distinctions are based upon the location of melanocytic nests in the epidermis, dermis, or both, respectively. Clinically, junctional nevi are flat (macular) whereas dermal and compound nevi are elevated relative to the surrounding skin (papular).

Nevi typically arise during childhood, adolescence, or very early adulthood and then senesce in later years. During pregnancy, existing nevi may darken and become noticeable to the patient. Compound nevi are more common in individuals with lighter skin phototypes; other forms of nevi (those on palms, soles, conjunctiva, and in the nail bed) are more common in individuals of African and Asian descent.

Codes

ICD10CM:
D22.9 – Melanocytic nevi, unspecified

SNOMEDCT:
400096001 – Melanocytic nevus

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Last Updated:07/18/2016
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Common acquired nevus - Hair and Scalp
See also in: Overview,External and Internal Eye,Oral Mucosal Lesion
A medical illustration showing key findings of Common acquired nevus : Brown color, Pigmented papule, Smooth papule, Darkening skin lesion
Clinical image of Common acquired nevus - imageId=329792. Click to open in gallery.  caption: 'A skin-colored papule (intradermal nevus) at the nasal alar crease.'
A skin-colored papule (intradermal nevus) at the nasal alar crease.
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