Diagnosis: Spider Bite / Brown Recluse
Spider / Loxosceles Envenomation
Comments:
This young woman experienced a stinging sensation on her thigh while
cleaning the basement in the early spring. An itchy red urticarial plaque
was followed by central crusting 6-8 hours later. The next morning she
developed a painful central necrotic ulcer. She was treated with oral
dapsone, and the ulcer healed with minimal scarring 3 weeks later.
Category: reactive erythema / infections and infestations
Morphology: ulcerated (erosion / ulcer) / plaqulous (plaque / nodule
/ tumor) Pattern: asymmetric Color: purple Body Site: thigh / leg
Age: 28 years
Gender: female Image Year: 2002
Contributor: Chris Ha, MD First Published: August 04, 2002
Description: painful ulcerated purpuric plaque with surrounding purpuric
ring
Image & content, Copyright Dermatlas, Johns Hopkins University.
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