This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Medicine
Oral lesions in Immunocompromised state - 
Select and explain. 
A. Lichen planus, B. Lichenoid eruption, C. Oral hairy leukoplakia, D. Erythroplakia
C: Oral hairy leukoplakia
Answer: C: Oral hairy leukoplakia 
Explanation: Oral hairy leukoplakia appears as corrugated white plaques running veically on the side of the tongue & is viually pathognomic of HIV disease.It is usually asymptomatic & is due to EBV . Reference Harrison20th edition pg 879