CD4 and pachyonychia congenita: Pseudomembranous candidiasis was found to be exclusive to stage C disease with CD4 counts < 200 cells/cu mm(p= 0.47).The frequency of oral lesions increased with lowering CD4 counts and the strongest association was with the prevalence of OC (p=0.012), PC (p=0.014) and OHL (p= 0.065).