Occurrence of Second Oral Potentially Malignant Disorder following Excision of Primary Lesion: A Prospective Study of Cases from a Tertiary Care Centre

Document Type

Article

Publication Title

Journal of Maxillofacial and Oral Surgery

Abstract

Background: Early diagnosis and timely management of potentially malignant oral disorders may prevent malignant transformation and prompt diagnosis of frank malignancies favours better prognosis. The aim of this study was to evaluate the outcome of surgical management of oral potentially malignant disorders of the oral cavity and observe the prevalence of recurrence at the primary site and occurrence of another potentially malignant lesion in these patients. Methods: The study participants included patients who had undergone clinical oral examination, surgical excision of biopsy-proven cases of dysplastic oral potentially malignant disorders (leukoplakia, erythroplakia, non-healing ulcerative and erosive areas, etc.) who were on routine follow-up as per the standard guidelines. These patients were followed up closely during each monthly follow-up visit for the first year. The patients were then prospectively analysed for any recurrence of lesion. On follow-up visits, detailed clinical oral examination was done to note the prevalence of a new lesion in any oral cavity sub site other than the previous site. If a new lesion was detected, then biopsy followed by surgical excision was followed as per standard guidelines. The follow-up period after the second surgical intervention was 12 months. Results: Fifty patients with potentially malignant oral disorders underwent surgical excision. The majority of the study subjects were males (39/50) and 41 of them were below 65 years of age. Of 50 patients, 13 (26%) had second oral potentially malignant lesion other than the primary site. The rate of recurrence of the lesions at the primary site was 4% (2/50). Of these patients with recurrence, all had malignant transformation (2/2). Also, patients who were initially diagnosed with moderate dysplasia had a higher chance of recurrence. A second lesion at a site different from the primary lesion was seen in 26% of the cases. Conclusion: Surgical management of such lesions with one-centimetre oncological margins in all dimensions contrary to the routine five millimetre surgical margins reduces the chance of recurrence.

First Page

252

Last Page

257

DOI

10.1007/s12663-022-01764-9

Publication Date

3-1-2023

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