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
The fingerprint pattern may be impaired permanently in cases of: 
Select and explain. 
A. Eczema, B. Scalds, C. Scabies, D. Leprosy
D: Leprosy
Answer: D: Leprosy 
Explanation: Permanent impairment of the fingerprint pattern occurs in, Leprosy Electric injury After exposure to radiation Also know: Ridge alteration occurs in eczema, acanthosis nigricans, scleroderma, and dry or atrophic skin. In infantile paralysis, rickets and acromegaly, though the pattern is not altered, the distance between the ridges can be changed. In most cases of coeliac disease, there is moderate epidermal ridge atrophy and even loss of pattern. Incomplete atrophy of ridges is usually seen in dermatitis. Ref: Textbook of Forensic Medicine and Toxicology by K S Narayan Reddy, 27th edition, Page.