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: Dental
Circle of Hebra is associated with – 
Select and explain. 
A. Syphilis, B. Scabies, C. Leprosy, D. Lichen planus
B: Scabies
Answer: B: Scabies 
Explanation: In scabies severe itching typically worsen at night, most notably along the web spaces of finger, wrists, elbows, axillae and groin area →​ areas known as the circle of Hebra.