This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Skin
Gottron's papules or sign seen in: 
Select and explain. 
A. Dermatomyositis, B. Multiple myeloma, C. Acute myeloid leukemia, D. Psoriasis
A: Dermatomyositis
Answer: A: Dermatomyositis 
Explanation: A i.e. Dermatomyositis