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/ spots are pathognomic of: March 2013 
Select and explain. 
A. Myasthenia gravis, B. Dermatomyostis, C. Dermatitis herpetiformis, D. Atopic dermatitis
B: Dermatomyostis
Answer: B: Dermatomyostis 
Explanation: Ans. B i.e. Dermatomyositis