Benign Epithelial and Mesodermal Lesions of the Oral Cavity
Classified in Biology
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Benign Epithelial Lesions
Squamous Cell Papilloma
Age: Mid-age
Site: Palate, uvula, cheek, lip, tongue, gingiva
Characteristics:
- Color: White to pinkish (depending on keratinization)
- Shape: Cauliflower-like
- Surface: Rough, irregular (finger-like projections)
- Texture: Firm or soft (depending on keratinization)
- Sessile or pedunculated
Histological Features:
- Hyperplastic stratified squamous epithelium
- Acanthosis and hyperkeratosis
- Intact basal layer
- Thin central branching core of connective tissue carrying nutrition
Verruca Vulgaris (Wart)
Reactive lesion, autoinoculation
Etiology: HPV 2, 4, 6
Histological Features:
- Intranuclear inclusion bodies
- Koilocytes
- Cupping effect of rete ridges
- Granular cell layer
Keratoacanthoma
True, self-limiting lesion
Age: Older males
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