This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
Rare exclusive infection of diabetes mellitus are all except: 
Select and explain. 
A. Mucormycosis, B. Atypical mycobacterial infection, C. Emphysematous appendicitis, D. Hansen's disease
D: Hansen's disease
Answer: D: Hansen's disease 
Explanation: (D) Hansen's disease # Mucormycosis is an invasive disease caused by phycomycetes, mainly by species of Rhizopus, Mucor and Absidia.> It used to be a rare terminal complication of uncontrolled diabetes and other chronic debilitating diseases.> The incidence of the disease has increased considerably as a result of the widespread use of antibiotics, steroids and antimetabolites.> The fungi are normally avirulent and are able to invade tissues only when general resistance is extremely low.