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RESEARCH PRODUCT

A retrospective clinicopathological study on oral lichen planus and malignant transformation: Analysis of 518 cases

Lai Kuan ZhuJin Qiu FengZheng Yu ShenGuo Yao TangWei LiuZeng Tong Zhou

subject

AdultMalemedicine.medical_specialtyAdolescentOdontologíaBuccal mucosaMalignant transformationYoung Adultstomatognathic systemEpidemiologyOral and maxillofacial pathologymedicineHumansYoung adultChildGeneral DentistryAgedRetrospective StudiesAged 80 and overOral Medicine and Pathologybusiness.industryCancerRetrospective cohort studyMiddle Aged:CIENCIAS MÉDICAS [UNESCO]medicine.diseaseCiencias de la saludDermatologySurgerystomatognathic diseasesCell Transformation NeoplasticOtorhinolaryngologyUNESCO::CIENCIAS MÉDICASFemaleResearch-ArticleSurgeryOral lichen planusbusinessLichen Planus Oral

description

Objective: To investigate the epidemiological and clinical characteristics of a relatively large cohort of patients with oral lichen planus (OLP) from eastern China. Study design: A total of 518 patients with histologically confirmed OLP in a long-term follow-up period (6 months-21.5 years) were retrospectively reviewed in our clinic. Results: Of the 518 patients, 353 females and 165 males were identified. The average age at diagnosis was 46.3 years (range 9-81 years) with the buccal mucosa being the most common site (87.8%). At initial presentation, white lichen and red lichen was seen in 52.3% and 47.7% patients, respectively. Of these, 5 (0.96%) patients previously diagnosed clinically and histopathologically as OLP developed oral cancer. All of them were the females with no a history of smoking or alcohol use. Conclusions: Clinical features of eastern Chinese OLP patients were elucidated. Notably, approximately 1% of OLP developed into cancer, which provides further evidence of potentially malignant nature of OLP. Key words:Oral lichen planus, clinical features, malignant transformation, oral cancer.

https://doi.org/10.4317/medoral.17778