Dysplasia Flashcards
Smokers OC risk
2x
Drinker (3-4/day) OC risk
2x risk
Smoker+drinker risk
5x risk
Name some potentially malignant lesions
Leukoplakia
Erythroplakia
Candidal leukoplakia
Chronic hyperplastic candidiasis
What is dysplasia
Disordered maturation in tissue
What is dysplasia based on?
Atypia (changes in cellular atypia)
What are the histological prognostic factors for a malignancy?
Pattern of invasion
Depth of invasion
Perineural invasion
OC staging system
Site
Size (T)
Spread (N+M)
Name the 2 lichen planus potentially malignant lesions
Candidal leukoplakia
Chronic hyperplastic candidiasis
List the histopathological predictors of malignant change
Cellular atypia
Abnormal maturation
List the molecular markers in oral epithelial dysplasia
COX1+2
HPV
Apoptosis
Angiogenesis
Grading of Epithelial Dysplasia
- Hyperplasia
- Mild
- Moderate
- Severe
- Carcinoma in situ
Basal hyperplasia
Increase in basal cells
No cellular atypia
Mild dysplasia
Mild atypia
Architectural changes in lower 3rd
Moderate dysplasia
Moderate atypia
Architectural changes in middle 3rd