Lichen planus in patient with graft versus host disease: White striations on left buccal mucosa. Lichen planus-like lesions are a common oral manifestation in graft versus host disease. This phenomenon supports the idea that lichen planus is an autoimmune disease.

Lichen planus in patient with graft versus host disease: White rough plaques on the dorsum of the tongue.

Lichen planus in patient with graft versus host disease: White rough plaques and elongated filiform papillae on dorsum of tongue.