Malignant transformation in leukoplakia and its associated factors in southern Iran: a hospital based experience

Eghbali, Sayed Sajad and Qasrdashti, Alireza Barfi and Habashi, Mina Seied and Arasteh, Peyman and Ardakani, Mahshid Torabi and Abdoli, Zahra (2017) Malignant transformation in leukoplakia and its associated factors in southern Iran: a hospital based experience. Iranian journal of public health, 46 (8). pp. 1110-1117.

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Abstract

Background: We evaluated factors that affect malignant transformation of leukoplakia in a sample of the Iranian population. Methods: The records of patients with a clinical diagnosis of leukoplakia during a 20-year period from 1989-2009 referred to two of the largest referral centers in southern Iran were studied. Patients that developed malignant trans-formation were compared with patients that did not have malignant changes. Results: Of 522 patients, female patients, those over 50 yr old and with lesions located on the tongue had the highest rate of malignant changes. Female patients with malignant changes were mostly non-smokers (76.4%), while male pa-tients with malignant changes were mostly smokers (63.8% in non-smokers) (P<0.001). In our univariate analysis, male sex and smoking showed lower chances for malignant transformation (OR: 0.57; CI=0.397-0.822 and OR: 0.025; CI=0.141-0.299, respectively), while age above 50 was a risk factor for malignant transformation (OR: 3.57; CI=2.32-5.42). In the multivariate analysis, smoking (OR: 0.317; 95% CI=0.16–0.626) and morphological presentation as eryt-hroplakia (OR: 0.025; 95% CI=0.005-0.131) had low chances for developing malignant changes, while site of lesion on the tongue (OR: 774; 95% CI=60-9838) and morphological presentation as erythroleukoplakia (OR: 6.26; 95% CI=3.16-12.38) were a risk factor for developing malignant changes Conclusion: A follow-up program and further work-up should be considered for Iranian patients who have a leukop-lakia lesion that is flat and are white patch or plaques with red components, in addition for patients who have lesions located on the tongue and for nonsmokers who develops leukoplakia lesions.

Item Type: Article
Subjects: QZ Pathology
Divisions: Faculty of Medicin > Department of Pathology
Depositing User: محسن زارعی
Date Deposited: 03 Jul 2018 02:21
Last Modified: 03 Jul 2018 02:21
URI: http://eprints.bpums.ac.ir/id/eprint/6946

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