Ann Dermatol.  2014 Aug;26(4):501-504. 10.5021/ad.2014.26.4.501.

Two Concurrent Facial Epidermal Nevi without Systemic Abnormalities: Nevus Sebaceus and Nevus Comedonicus

• Jung HJ
• Cha HW
• Lim HJ
• Lee SJ
• Kim DW
• Lee WJ

• KMID: 2265593
• DOI: http://doi.org/10.5021/ad.2014.26.4.501

Abstract

Epidermal nevi (EN) are hamartomatous lesions derived from epidermal components originating from pluripotent cell mutations. They have been categorized according to their predominant component. The existence of >2 types of EN concurrently within a single area or within contiguous areas has been rarely reported. This report describes the case of simultaneous presence of a yellowish plaque on the left medial canthus and an aggregation of closed comedo-like papules on the right side of the cheek of a 15-year-old girl.

Keyword

Epidermal nevus; Nevus comedonicus; Nevus sebaceus

MeSH Terms

Adolescent
Cheek
Female
Humans
Nevus*

Figure

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  Fig. 1 A yellowish, bean-sized, verrucous plaque on the left medial canthus, and multiple, scattered, pea-sized, hyperpigmented macules on the face.

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  Fig. 2 An aggregation of closed comedo-like papules and depressed pinpoint scars on the right side of the cheek.

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  Fig. 3 (A) Marked acanthotic and papillomatous epidermal hyperplasia with hyperkeratosis (H&E, ×40). (B) Excessive number of large sebaceous glands (H&E, ×100).

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  Fig. 4 (A) A wide, deep, epidermal invagination filled with keratin and incomplete hair follicles (H&E, ×100). (B) Well-defined keratin-filled cyst in the mid-dermis (H&E, ×100).

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