This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2018, Subject name: Dental
Tide water mark dermatitis is seen:- 
Select and explain. 
A. Allergic contact dermatitis, B. Contact dermatitis to rubber used in disposable napkins, C. Band shaped papular dermatitis, D. Papulo-erosive ulcer
C: Band shaped papular dermatitis
Answer: C: Band shaped papular dermatitis 
Explanation: Tide water mark dermatitis is a band shaped papular eruptions on the thighs and abdomen at the diaper edges, characteristically sparing the skin folds Variant of contact dermatitis.