Contents

SynopsisCodesLook ForDiagnostic PearlsDifferential Diagnosis & PitfallsBest TestsManagement PearlsTherapyReferences

View all Images (14)

Becker nevus in Child
Other Resources UpToDate PubMed

Becker nevus in Child

Contributors: Stephanie Diamantis MD, Lynn McKinley-Grant MD, Aída Lugo-Somolinos MD, Lowell A. Goldsmith MD, MPH
Other Resources UpToDate PubMed

Synopsis

A Becker nevus (Becker melanosis) is an acquired, benign, melanocytic epidermal proliferation of adolescence. It typically presents as a large, hyperpigmented patch with increased hair growth on the upper trunk in men. This lesion is not uncommon and is found in all ethnicities. Lesions are usually present before puberty but often have increased coarse hair growth and a slightly raised texture during adolescence due to androgen stimulation. Rarely, there can be associated hypoplasia of the underlying tissues (eg, breast hypoplasia, pectoralis hypoplasia, or limb hypoplasia). Most Becker nevi have no associated abnormalities.

Treatment is only required in rare cases for severe cosmetic or psychosocial reasons. Other rare associated findings include acne, acanthosis nigricans, spina bifida, scoliosis, pectus carinatum, accessory scrotum, lipoatrophy, and congenital adrenal hyperplasia. A few cases of melanoma in association with a Becker nevus have been reported.

Codes

ICD10CM:
D22.9 – Melanocytic nevi, unspecified

SNOMEDCT:
5387003 – Becker's nevus

Look For

Subscription Required

Diagnostic Pearls

Subscription Required

Differential Diagnosis & Pitfalls

To perform a comparison, select diagnoses from the classic differential

Subscription Required

Best Tests

Subscription Required

Management Pearls

Subscription Required

Therapy

Subscription Required

References

Subscription Required

Last Updated:01/11/2022
Copyright © 2024 VisualDx®. All rights reserved.
Becker nevus in Child
A medical illustration showing key findings of Becker nevus : Brown color, Hyperpigmented patch, Hypertrichosis, Shoulder, Unilateral distribution, Upper back
Clinical image of Becker nevus - imageId=2834883. Click to open in gallery.  caption: 'A large, brown patch with associated hypertrichosis and outlying smaller patches on the back.'
A large, brown patch with associated hypertrichosis and outlying smaller patches on the back.
Copyright © 2024 VisualDx®. All rights reserved.