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
Keratodermic sandles is a feature of 
Select and explain. 
A. Pityriasis rosacea, B. Lichen planus, C. Psoriasis, D. Pityriasis rubra pilaris
D: Pityriasis rubra pilaris
Answer: D: Pityriasis rubra pilaris 
Explanation: In pityriasis rubra pilaris there is yellow orange thickening of palms and soles ( keratodermic sandals). 
There is also yellow brown discoloration and thickening of distal nail plate.