A Curious Case of a Dusky Finger

A 53-year-old woman presents with pain, swelling, and a strange, dusky plaque on her finger. Explore the Differential Diagnosis for this skin lesion.

Spider bite


A 53-year-old woman presented with pain, swelling, and discoloration of her right fifth finger. Physical examination showed a demarcated, brightly erythematous plaque with a dusky center. What is the most likely diagnosis?

What is the most likely diagnosis?

Dactylitis
Erythema multiforme
Herpetic whitlow
Spider bite
Sporotrichosis

Arachnidism, Dermatology, Envenomation, Skin Lesion, Spider bite

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