Premalignant Lesions

1 / 10

Which of the following is a premalignant condition?

Erythroplakia

Leukoplakia

Hairy leukoplakia

Lichen planus

2 / 10

Premalignant condition means:

No dysplasia but high malignant potential

Never progresses to cancer

Only inflammatory changes

Always shows dysplasia

3 / 10

Mild epithelial dysplasia involves:

Upper one-third only

Lower one-third of epithelium

Connective tissue invasion

ull epithelial thickness

4 / 10

Which leukoplakia type has highest malignant potential?

Speckled leukoplakia

Verrucous leukoplakia

Homogenous leukoplakia

Thin leukoplakia

5 / 10

Carcinoma in situ means:

No dysplasia present

Dysplasia limited to basal layer

Invasion into connective tissue

Full thickness epithelial dysplasia with intact basement membrane

6 / 10

Erythroplakia is considered more dangerous than leukoplakia because:

It is always painful

It is caused only by infection

It shows higher rate of severe dysplasia and carcinoma

It occurs only in elderly

7 / 10

Common risk factor for leukoplakia and erythroplakia is:

Viral infection only

Trauma only

Genetic mutation only

Tobacco and alcohol

8 / 10

Premalignant lesion is defined as a lesion that:

Shows metaplasia only

Shows dysplasia microscopically

Shows inflammation only

Shows hyperkeratosis only

9 / 10

Leukoplakia is best described as:

White patch only in immunocompromised patients

White patch not diagnosed as another disease

White patch diagnosed as fungal infection

Red patch with dysplasia

10 / 10

Which of the following is an example of a premalignant lesion?

Leukoplakia

Oral submucous fibrosis

Lichen planus

Chronic hyperplastic candidosis

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