Identifying factors associated with diagnostic concordance/discordance in oral lichen planus.

Purpose: To identify factors associated with concordance and discordance between clinical and histopathologic diagnoses of oral lichen planus lesions.

Materials And Methods: A retrospective analysis was conducted on all study cases derived from archival oral pathology reports generated from all cases of oral lichen planus accessioned by the Faculty of Dentistry, University of Malaya. These study cases were diagnosed from January 1980 through December 2010.