Pterygium, Lichen Planus, Acanthosis Nigricans, Nail Dystrophy - DermAtlas

Contributor

Bernard Cohen, MD

Diagnosis

pterygium lichen planus acanthosis nigricans nail dystrophy

Body Site

nail, all knuckle finger

Age

12 years

Pigmentation

dark

Organization

Color

purple brown

Morphology

fibrosis (scar, increased collagen)

Pattern

symmetric acral (centripetal - extremity predominant)

Comments

This healthy 12-year-old girl had a 6 year history of progressive loss of al 20 nails with pterygium formation. Acanthosis nigricans developed recently as she began to enter puberty. Her oral mucous membranes were normal, and there was no family history of skin disease.

Description

loss of nails with winglike growth of the proximal nail fold cuticle; velvety hyperpigmentation and thickening of skin over knuckles

Image Added

2/17/2004 7:04:19

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Other Resources

PubMed Medline Plus Medscape

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