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: Pathology
Which of the following is not associated with haemorrhage? 
Select and explain. 
A. Ecchymosis, B. Petechiae, C. Melanosis, D. Purpura
C: Melanosis
Answer: C: Melanosis 
Explanation: None