Pyoderma Gangrenosum - DermAtlas - Dermatology Image Atlas

Contributor

Franz Ritucci, MD

Diagnosis

pyoderma gangrenosum

Body Site

hand

Age

42 years

Pigmentation

medium

Organization

grouped, clustered

Color

purple red

Morphology

plaqulous (plaque / nodule / tumor)

Pattern

symmetric acral (centripetal - extremity predominant)

Comments

This 42-year-old woman was supposedly bitten by a spider on her left hand and developed a painful ulcerated plaque several days later. Despite treatment with oral cephalexin the lesions spread locally and to the other hand. A complete medical and laboratory evaluation failed to reveal any underlying disorders, and the lesions resolved with high dose oral corticosteroids.

Description

0.5-2.5 cm hemorrhagic crusted ulcerated undermined violaceous nodules and plaques

Image Added

3/12/2006 15:19:23

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Other Resources

PubMed Medline Plus Medscape

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