{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T15:50:19Z","timestamp":1781106619375,"version":"3.54.1"},"reference-count":46,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2019,6,22]],"date-time":"2019-06-22T00:00:00Z","timestamp":1561161600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Oral Pathology Medicine"],"published-print":{"date-parts":[[2019,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>Oral potentially malignant disorders (OPMD) include a variety of mucosal lesions such as oral lichen planus (OLP), oral lichenoid lesions (OLL) and oral lichenoid dysplasia (OLD). Their rate of malignant transformation ranges from 0% to 34% and is dependent on OPMD type, lesion site and a range of risk factors. This study seeks to determine the proportion of oral lichenoid conditions that transform into oral squamous cell carcinoma (OSCC) in an Australian population.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The study is a retrospective audit of patients from a private oral medicine clinic, diagnosed with OLP, OLL or OLD using clinical and histopathological data between 2006 and 2014. Patients were cross\u2010matched with Cancer Registry data for OSCC, and the rate and time to malignant transformation determined.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>OLP and OLL patients displayed a low risk of malignant transformation; 0.49% (1\/206) for OLP and 0% (0\/31) for OLL. In contrast, OLD patients, all of whom presented clinically as OLP, were at much higher risk with 6.81% (3\/44) developing OSCC over an average time of 4.6\u00a0years (\u00b12.4 SD). Rates of smoking and alcohol consumption were no higher in OLD patients compared to others.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Compared with other oral lichenoid conditions, OLD lesions are at a particularly high risk of malignant transformation and should be managed based on the presence of dysplasia and not the lichenoid inflammatory infiltrate. OLP demonstrates a relatively\u00a0low rate of malignant transformation. Diagnostic histopathology is important for discriminating OLP from OLD.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jop.12904","type":"journal-article","created":{"date-parts":[[2019,6,7]],"date-time":"2019-06-07T07:38:25Z","timestamp":1559893105000},"page":"538-545","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":39,"title":["Oral lichenoid dysplasia and not oral lichen planus undergoes malignant transformation at high rates"],"prefix":"10.1111","volume":"48","author":[{"given":"Kate","family":"Shearston","sequence":"first","affiliation":[{"name":"UWA Dental School University of Western Australia Nedlands Western Australia Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Behrooz","family":"Fateh","sequence":"additional","affiliation":[{"name":"UWA Dental School University of Western Australia Nedlands Western Australia 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