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: Surgery
True about Marjolins ulcer - 
Select and explain. 
A. Develops in long standing scar, B. Sq cell Ca develops, C. Slow growing lesion, D. All
D: All
Answer: D: All 
Explanation: Ans is 'a' i.e. Develops in long standing scar; 'b' i.e. sq cell Ca develops; 'c' i.e. Slow growing lesion Baghdad sore or oriental sore or Delhi boil is caused by Leishmania Tropica.