When Heat Leaves Its Mark

A patient presents with Knee pain and a strange, reticular, reddish-brown rash. The cause is linked to a common home remedy. What is the diagnosis?

Erythema ab igne


This patient had left knee pain. What is the diagnosis?

What is the most likely diagnosis?

Acanthosis nigricans
Erythema ab igne
Lymphangitis
Mycosis fungoides
Livedo reticularis

Erythema ab igne, Heating Pad, Hyperpigmentation, Reticular Pattern, Skin Rash

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