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Epidermal nevus.

Christopher T Cassetty¹, Aimee L Leonard

¹Ronald O. Perelman Department of Dermatology, New York University, USA.

Dermatology Online Journal

|November 5, 2003

Summary

This summary is machine-generated.

A lifelong verrucous epidermal nevus presented as a hyperpigmented plaque on a young woman's face and neck. Its location and extent pose management challenges.

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Area of Science:

Dermatology
Medical Genetics

Background:

Epidermal nevi are benign congenital skin tumors.
Blaschko's lines represent patterns of somatic mosaicism.

Observation:

A 20-year-old woman had a lifelong, asymptomatic, verrucous, hyperpigmented plaque.
The lesion followed Blaschko's lines on the face and neck.

Findings:

Histopathology confirmed the diagnosis of epidermal nevus.
The verrucous epidermal nevus exhibited a Blaschkoid distribution.

Implications:

Management of extensive facial epidermal nevi can be challenging.
Understanding the genetic basis of Blaschkoid patterns is crucial for diagnosis.