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Narrow-band imaging pattern classification in oral cavity
Giancarlo Tirelli1, Alberto Vito Marcuzzo1, Francesca Boscolo Nata1
1ENT Clinic, Head and Neck Department, Azienda Sanitaria Universitaria Integrata di Trieste, Trieste, Italy.
Oral Diseases
|July 12, 2018
Summary
Narrow-band imaging (NBI) reveals distinct vascular patterns in different oral epithelial types. This classification aids in differentiating normal, dysplastic, and cancerous oral lesions, potentially reducing unnecessary biopsies.
Area of Science:
- Oral pathology
- Diagnostic imaging
- Histopathology
Background:
- Narrow-band imaging (NBI) is crucial for diagnosing oral lesions.
- Oral subsites have three epithelial types (1, 2a, 2b) with varying structures.
- Understanding vascular patterns in NBI is key for accurate diagnosis.
Purpose of the Study:
- To analyze and describe vascular patterns observed with NBI.
- To correlate NBI vascular patterns with oral epithelial types and histology.
- To develop a classification system for NBI findings in the oral cavity.
Main Methods:
- Retrospective review of NBI photographs from 302 patients.
- Categorization of mucosa based on epithelial type and histology (normal, dysplastic, neoplastic).
- Detailed description and illustration of identified NBI vascular patterns.
Main Results:
- Six distinct NBI vascular patterns were identified.
- Normal mucosa showed varied patterns across epithelial types.
- Dysplastic mucosa had similar patterns in types 1 and 2a, differing in type 2b.
- Cancerous mucosa displayed identical patterns regardless of epithelial type due to vascular destruction.
Conclusions:
- A proposed classification system for NBI vascular patterns in oral mucosa.
- Aids clinicians in differentiating normal from malignant lesions using NBI.
- Potential to reduce the number of unnecessary oral biopsies.
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