Dermatofibroma was first discovered by Unna, in 1894. He named it as fibroma durum.
What is the historical background and explanation of Dermatofibroma?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What is the historical background and explanation of Dermatofibroma? [/INST] \n Dermatofibroma was first discovered by Unna, in 1894. He named it as fibroma durum.</s>