Inflammatory Linear Verrucous Epidermal Nevus(ILEVN)

Diagnosis: Inflammatory Linear Verrucous Epidermal Nevus(ILEVN)

Keratotic papules on a red base and in linear array.

Clinical Presentation

Keratotic papules on a red base and in linear array.

Clinical History

Submitted by Alaa Saad. Originally posted September 28, 2010.

Treatment

See case discussion.

Differential Diagnosis

• Verruca vulgaris (linear) • Lichen striatus • ILVEN • Psoriasis (linear) • Seborrheic keratosis

Key Learnings

• Hamartoma of epidermis following Blaschko lines • Present at birth or early childhood • Nevus sebaceus (sebaceous type): yellow-orange plaque on scalp — risk of secondary tumors in adulthood • Epidermal nevus syndrome: extensive nevus with systemic findings • ILVEN: intensely pruritic variant on legs

Tags: inflammatory, linear, verrucous, epidermal, nevusilevn, alaa saad