Disappearance of Oral Lichen Planus After Liver Transplantation for Primary Biliary Cirrhosis and Immunosuppressive Therapy in a 63-year-Old Japanese Woman

Introduction: there are few reports concerning association between primary biliary cirrhosis (pbc) and lichen planus. in addition, there is only one report about lichen planus after liver transplantation.case presentation: we describe a case of oral lichen planus (olp) accompanied with pbc that resolved following liver transplantation 14 years later. this patient received immunosuppressive drugs after liver transplantation. discussion: the disappearance of olp might be due to immunosuppressive therapy following liver transplantation. further observations and studies are necessary to clarify the relationship between olp and pbc.