An 80-year-old man with erythema, scales and pustules on the left ear auricle.

To cite: Hamzelou S, Jafari M, Aminizadeh E, et al. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2014203758 DESCRIPTION An 80-year-old man presented with erythema, scales and some yellow pustules on his left ear auricle (figure 1), most prominent on his helix (figure 2). His symptom was itchiness with no discharge. The patient was a farmer. He mentioned that these lesions began 3 months ago. He had a history of seborrheic keratosis on his ear auricle that was excised by a physician 10 days before the start of the lesions. No other skin involvement was found. A Gram stain and a potassium hydroxide (KOH) smear were performed and mycelium and arthrospore of dermatophyte were seen in KOH test.