Papular Urticaria, Insect Bite Reaction, Hyperpigmentation, Post Inflammatory - DermAtlas

Contributor

Bernard Cohen, MD

Diagnosis

papular urticaria insect bite reaction hyperpigmentation, post inflammatory

Body Site

arm leg

Age

4 years

Pigmentation

light

Organization

grouped, clustered

Color

red purple brown

Morphology

macular / flat (macule / patch)

Pattern

symmetric acral (centripetal - extremity predominant) sites not clothing covered

Comments

This healthy 4-year-old boy developed a recurrent pruritic eruption on his arms and legs. Covered areas were only rarely involved. Note the healing lesions with post-inflammatory hyperpigmentation and violaceous centers

Description

acral, symmetric red edematous 3-5 mm papules some with central erosion and/or crust and hyperpigmented macules with pink centers organized in groups of 3-4 lesions

Image Added

9/23/2007 11:59:36

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Other Resources

PubMed Medline Plus Medscape

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