Thesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Oral and Maxillofacial Pathology

Aim: Colposcopy is a direct microscopic method which is the gold standard tool to detect early cervical dysplastic lesions. Many authors have tried gynaecological methods to examine the oral mucosa. The aim of this study is to detect the diagnostic accuracy of the oral colposcopy in diagnosing oral dysplastic lesions in comparison to biopsy taking and histopathological examination and compare between Reid's Colposcopic Index and Swede scoring system in diagnosing oral dysplastic lesions. Methodology: Twenty five patients seeking diagnosis of an oral leukoplakia in Oral Medicine and Periodontology Department and meeting the criteria of selection were recruited in this study. Each patient was subjected to colposcopic examination then biopsy taking to confirm the result of the colposcope. The sensitivity and specificity of oral colposcopy were calculated after colposcopic assessment using Swede scoring system and Reid's Colposcopic Index. Results: Oral colposcopy's accuracy using Swede score was superior to theaccuracy of oral colposcopy using Reid's Colposcopic Index

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