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
All of the following skin lesions are associated with Diabetes mellitus except 
Select and explain. 
A. Necrobiosis Lipoidica, B. Granuloma annulare, C. Acanthosis nigricans, D. Pyogenic granuloma
D: Pyogenic granuloma
Answer: D: Pyogenic granuloma 
Explanation: Pyogenic granuloma is associated with IBD. (Ulcerative colitis > Crohn's disease).