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: Forensic Medicine
A rickshaw ran over the thighs of a child. The tyre marks of the vehicle can be seen on the child's thighs. These marks are an example of: 
Select and explain. 
A. Imprint bruise, B. Patterned bruise, C. Imprint abrasion, D. Ectopic bruise
B: Patterned bruise
Answer: B: Patterned bruise 
Explanation: A patterned contusion is one in which the size and shape mirror a poion of the object which caused it. In this case a tryre mark is seen on the child's thigh so it is a case of patterned bruise. Ref: K.S.N.Reddy 29th Ed Page 166