The patients is an obese 46-year-old man who complains of a painful skin lesion located between folds of skin that were touching each other. He reports looking in the mirror at home and seeing the area was very red and erythematous. He also says sometimes it feels like a burning sensation on his skin. This was most evident after being outside in the hot, humid weather.
View the image taken and consider what your diagnosis and next steps would be. Resolution of the case is described on the next page.