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Concordance between clinical and histopathologic diagnoses of oral mucosal lesions
Kush J Patel1, Harsha L De Silva, Darryl C Tong
1Department of Oral Diagnostic and Surgical Sciences, University of Otago School of Dentistry, Dunedin, New Zealand.
Purpose:
To study the epidemiology of oral soft tissue lesions in New Zealand from 2002 to 2006 and to determine the concordance between the clinical diagnosis and the definitive histopathologic diagnosis achieved by general dental practitioners and by specialists.
Materials And Methods:
The details from biopsy referrals and the corresponding histopathologic reports of oral soft tissue lesions were recorded into a statistical software package, and the concordance between the clinical diagnosis and histopathologic diagnosis was determined for all the lesions.
Results:
Most biopsies were benign lesions, and both clinician groups achieved a high diagnostic concordance for these lesions. However, when considering all lesion types, the overall concordance for both groups was a moderate 50.6%, with little difference between specialists and general dental practitioners, although specialists were more accurate in diagnosing a malignant or premalignant lesion.
Conclusions:
The clinical and histopathologic concordance achieved by oral health practitioners in New Zealand appears to be moderate.
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