Mucosal Colour Changes Flashcards
1
Q
Provide examples of white oral lesions
A
- hereditary
- smoking/frictional
- lichen planus
- candida leukoplakia
- carcinoma
2
Q
Provide examples of hereditary white lesions
A
- oral white sponge naevus
- characteristic white changes
- related to cytokines
3
Q
How do smoking and friction lead to oral white lesions?
A
- irritation to mucosal surface
- increased thickness of keratin layer
- blood vessels in connective tissue less visible
- less pink and more white in appearance
4
Q
What is candidal leukoplakia?
A
- inflammation
- epithelium
- surrounding connective tissue
- increased thickness and fluid accumulation
- reduced visibility of blood flow
5
Q
How might a carcinoma appear as a white oral lesion?
A
- associated with thickening of cells
- due to uncontrolled proliferation
- reduced visibility of blood flow
6
Q
What can make the appearance of a lesion white?
A
- thickening of mucosa or keratin
- less visibility of blood
- less blood in the tissues
- vasoconstriction
7
Q
What is leukoplakia?
A
a white patch that cannot be scraped off or attributed to any other cause
- diagnosis of exclusion
- no histopathological connotation
- clinical description
8
Q
What percentage of leukoplakia become malignant?
A
1-5%
9
Q
A