A 58-year-old man with a history of diabetes mellitus type 1 went to the urgent care after he awoke one morning and noticed the bottom of his foot near his toes felt funny. When he looked at the area, he realized that a bulla had formed on the bottom of his foot overnight. He hadn’t injured or cut the foot or leg recently, and he felt in good health otherwise.
What's your diagnosis?
B. Bullosis diabeticorum
C. Insect bite reaction
Use the differential builder on VisualDx to guide in your decision.
See the next page for the answer.