Diagnostic Aids for Detecting Cancers

Question 1

Nearly all cases of OSCC arise from what changes?

Answer 1

Precursor epithelial changes: Oral epithelial dysplasia

Question 2

what is a screening test used for?

Answer 2

To test people apparently free of disease to detect any early stage disease.

Question 3

What is a case finding test used for?

Answer 3

Used to analyze abnormal clinical findings

Question 4

Brushtest is used for what kind of diagnosis?

Answer 4

Small, harmless appearing white or red tissue spots. Suspicious lesions are supposed to receive immediate scalpel biopsy.

Question 5

Brushtest does or does not provide a true diagnosis?

Answer 5

Does not

Question 6

Brush test is what type of test? (screening or case finding)

Answer 6

Case finding

Question 7

Chemiluminescence detects abnormal epithelial cells in what way?

Answer 7

Normal cells are dark, abnormal are white. Abnormal cells have altered reflective properties.

Question 8

What is the problem with vizilite?

Answer 8

It doesn’t discriminate benign from pre-malignant lesions

Question 9

What does VELscope stand for?

Answer 9

Visually enhanced lesion scope

Question 10

How does VELscope work?

Answer 10

Tissue fluorescence, reduced detection of fluorophores

Question 11

Identafi works in what way?

Answer 11

3 wavelengths of light, fluorescence and reflectance.