A middle-aged man with diabetes had been aware of a rash in his axillae for over a year. Initially he ignored it, but after a time it started to itch and more recently it had become rubbed and sore. At first it looked like a reaction to deodorant but discontinuation made no difference. A topical hydrocortisone cream prescribed also failed to help.

When presented the well-defined, pink or brown, wrinkled, scaly rash was noted in both axillae. What could be the most probable diagnosis for this condition? * This image based case is from Docplexus editorial team for educative purpose only. Source: Haymarket