Oral Potentially Malignant Disorders and Epithelial Dysplasia

Question 1

List some OPMDs

Answer 1

1. Erythroplakia
2. Erythroleukoplakia
3. Leukoplakia
4. Chronic candidosis
5. Lichen planus
6. Actinic keratosis (lip only)
7. Discoid lupus erythematosis

Question 2

What % of erythroplakias show severe dysplasia or SCC on biopsy?

Answer 2

90%

Question 3

What is the difference between atypia and dysplasia

Answer 3

Dysplasia - all epithelium

Atypia - cellular

Question 4

Some dysplastic lesions resolve, and some carcinomas develop in areas where biopsy has shown no previous dysplasia

True or false

Answer 4

True

Question 5

If the biopsy report describes no dysplasia or mild dysplasia, what is the management:

Answer 5

1. Pohtograph lesion
2. Remove potential aetiological factors
3. Counsel re tobacco and alcohol
4. Consider removal
5. Regular review - 3 months initially

Question 6

Managment for biopsy report of moderate to severe dysplasia

Answer 6

• Removal is essential
• Check for aetiological factors
• Regular, careful reviews