<prompt> Oral lesions in Immunocompromised state -Lichen planusLichenoid eruptionOral hairy leukoplakiaErythroplakia  <response>: 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 