Ann Dermatol.  2010 May;22(2):235-237. 10.5021/ad.2010.22.2.235.

A Case of Palmar Lichen Nitidus Presenting as a Clinical Feature of Pompholyx

• Park SH
• Kim SW
• Noh TW
• Hong KC
• Kang YS
• Lee UH
• Park HS
• Jang SJ

• KMID: 2265405
• DOI: http://doi.org/10.5021/ad.2010.22.2.235

Abstract

Lichen nitidus (LN) is an uncommon chronic eruption of an unknown cause, and it is characterized by tiny, discrete, flesh-colored papules. The sites of predilection are the genitalia, trunk and extremities. Unilateral palmar involvement with pruritus is infrequent. We report here on a case of LN confined to the right palm, and the patient presented with multiple, pruritic, erythematous to flesh-colored, tiny papules and vesicles that mimicked pompholyx. The histopathological examination of a skin biopsy specimen showed the typical findings of LN.

Keyword

Lichen nitidus; Palm; Pompholyx

MeSH Terms

Biopsy
Eczema, Dyshidrotic
Extremities
Genitalia
Humans
Lichen Nitidus
Lichens
Pruritus
Skin

Figure

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  Fig. 1 Erythematous to flesh colored, tiny vesicles and papules on the right palm presenting as a feature of pompholyx.

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  Fig. 2 Histological section from the biopsy specimen of skin lesion shows (A) well circumscribed, dense, mixed cellular infiltration attached to the lower surface of the epidermis and confined to the widened dermal papilla (H&E, ×40). (B) Note the parakeratosis, the absence of a granular layer and elongation of the adjacent rete ridges, which produces a 'claw clutching a ball' pattern (H&E, ×100).

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