Oral Cavity Premalignant Lesions Lecture

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Questions and Answers

What term describes the increase in the size of the prickle cell layer due to an increase in the number of its cells?

  • Acanthosis (correct)
  • Hyperplasia
  • Metaplasia
  • Atypia

Which term refers to the condition characterized by an increase in the risk of cancer but without the evidence of epithelial dysplasia?

  • Hyperkeratosis
  • Acanthosis
  • Precancerous condition (correct)
  • Anaplasia

Which condition is characterized by the reversion of cells to a more undifferentiated form?

  • Hyperkeratosis
  • Anaplasia (correct)
  • Hypertrophy
  • Metaplasia

What term refers to the alteration of tissue in which cancer is more likely to occur, characterized by the presence of epithelial dysplasia?

<p>Premalignant lesion (C)</p> Signup and view all the answers

Which term describes the change of one type of cell to another type of the same category?

<p>Metaplasia (A)</p> Signup and view all the answers

What term refers to the increase in the thickness of the keratin layer, which may be parakeratinized or orthokeratinized?

<p>Hyperkeratosis (D)</p> Signup and view all the answers

Which term denotes malignancy or premalignancy in microscopic examination?

<p>Epithelial dysplasia (B)</p> Signup and view all the answers

What is the grading criteria for dysplasia that describes the presence of dysplastic cells extending to the lateral third of the epithelium?

<p>Grade I (B)</p> Signup and view all the answers

Which factor is associated with a greater risk of malignant change in epithelial dysplasia?

<p>Erythroplakia within a leukoplakia (B)</p> Signup and view all the answers

What is the term used to describe the abnormal proliferation of basal cells, resulting in the presence of more than one basal layer?

<p>Basilar hyperplasia (C)</p> Signup and view all the answers

What is the term for the division of nucleus without division of cytoplasm?

<p>Poikilokaryonosis (A)</p> Signup and view all the answers

What is the term for the presence of more than one basal layer in oral epithelium?

<p>Basilar hyperplasia (D)</p> Signup and view all the answers

Which criteria involves abnormal mitosis occurring in superficial layers of epithelium with increased rate and abnormal pattern?

<p>Abnormal mitosis (D)</p> Signup and view all the answers

What is the term for the appearance of bizzare shaped nucleus in epithelial cells?

<p>Dyskeratosis (B)</p> Signup and view all the answers

What is essential for mitosis and contains nucleolar organizer region?

<p>Large prominent nucleoli (D)</p> Signup and view all the answers

Which term refers to the aggregates of epithelial cells, and undergo keratinization as keratin pearls?

<p>Formation of cell nests &amp; keratin pearl (B)</p> Signup and view all the answers

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