This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
'Heliotrope rash' over face is seen in 
Select and explain. 
A. Systemic sclerosis, B. Dermatomyositis, C. Systemic lupus erythematosus, D. Rheumatoid ahritis
B: Dermatomyositis
Answer: B: Dermatomyositis 
Explanation: Dermatomyositis a. Heliotrope erythema and oedema of the periorbital skin are seen in dermatomyositis, b. Dermatomyositis is a well established cutaneous marker of interval malignancy. c. About 10% of all patients of dermatomyositis have an underlying malignancy. d. The most common malignancies associated with dermatomyositis are Lung, Ovary, breast, GIT and lymphoprol iterative disorders.