BDS10014 Oral Epithelial Dysplasia Lecture
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Questions and Answers

Which of the following is a characteristic feature of erythroplakia?

  • Granular appearance
  • Thick and adherent plaques
  • Surface projections
  • Soft and velvety texture (correct)

Which virus is less commonly associated with chronic infections that may lead to oral potentially malignant disorders?

  • Syphilis
  • Candida albicans
  • Epstein-Barr virus (correct)
  • HPV

What does leukoplakia denote?

  • A non-clinical term for white patches on oral mucosa
  • An infectious lesion on the oral mucosa
  • A clinical term for white plaque or patch on oral mucosa (correct)
  • A specific histopathologic tissue alteration

What is a common site for erythroplakia?

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

Which of the following is a characteristic feature of thick or fissured leukoplakia?

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

What is the primary effect of alcohol in relation to the oral mucosa?

<p>Decrease in efficiency of detoxification of carcinogenic material (B)</p> Signup and view all the answers

What is an intrinsic factor contributing to oral potentially malignant disorders?

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

What distinguishes proliferative verrucous leukoplakia from other clinical variants of leukoplakia?

<p>Multifocal distribution and high recurrence (D)</p> Signup and view all the answers

Which of the following is a characteristic feature of speckled leukoplakia?

<p>Immature atrophic epithelial cells (B)</p> Signup and view all the answers

What is the clinical appearance of mild or thin leukoplakia?

<p>Soft flat translucent plaques (B)</p> Signup and view all the answers

What distinguishes actinic cheilitis from other clinical differential diagnoses?

<p>Accelerated tissue damage due to chronic exposure to sunlight (C)</p> Signup and view all the answers

Which of the following is NOT a clinical feature of actinic cheilitis?

<p>Diffuse gray or white palatal mucosa (D)</p> Signup and view all the answers

What is the histopathological feature commonly seen in actinic cheilitis?

<p>Varying degrees of epithelial dysplasia (D)</p> Signup and view all the answers

Which condition is completely reversible upon discontinuation of the tobacco habit?

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

What is the characteristic oral mucosal presentation in oral submucous fibrosis?

<p>Marble-like pallor with progressive stiffness (D)</p> Signup and view all the answers

Which feature is NOT associated with nicotine stomatitis?

<p>Diffusely gray or white palatal mucosa (B)</p> Signup and view all the answers

Which condition is characterized by chronic progressive scarring of the oral mucosa?

<p>Oral submucous fibrosis (A)</p> Signup and view all the answers

What is a common etiological factor for actinic cheilitis?

<p>Chronic sun exposure (B)</p> Signup and view all the answers

Which feature is characteristic of solar (actinic) elastosis?

<p>Amorphous acellular basophilic change in the connective tissue (B)</p> Signup and view all the answers

What is a common feature of nicotine stomatitis histopathology?

<p>Intact basement membrane (B)</p> Signup and view all the answers

Which statement about oral potentially malignant disorders (OPMD) is correct?

<p>OPMD may not show signs of epithelial dysplasia such as leukoplakia and erythroplakia but always presents with architectural changes (C)</p> Signup and view all the answers

Which text would provide relevant information for understanding the histopathological aspects of oral epithelial dysplasia?

<p>Robinson M et al. Soames’ and Southam’s Oral Pathology. 5th edition. Oxford University Press, 2018 pp 77-84 (A)</p> Signup and view all the answers

Which feature is NOT characteristic of oral submucous fibrosis?

<p>Intact basement membrane (C)</p> Signup and view all the answers

What is the aim of the lecture on oral epithelial dysplasia?

<p>To detail the histopathological aspects of oral epithelial dysplasia (C)</p> Signup and view all the answers

Which term is currently preferred to describe clinical presentations carrying a risk of cancer development in the oral cavity?

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

What percentage of epithelial dysplasias become malignant?

<p>5-18% (D)</p> Signup and view all the answers

What are the lesions included in the category of oral potentially malignant disorders?

<p>Erythroplakia, Leukoplakia, Smokless tobacoo keratosis (B)</p> Signup and view all the answers

How is dysplasia usually graded?

<p>Mild, moderate, severe, and hyperplastic (C)</p> Signup and view all the answers

Which of the following is NOT included in the category of oral potentially malignant disorders?

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

What is the histological meaning of dysplasia?

<p>Abnormal formation of epithelium or any tissue (A)</p> Signup and view all the answers

What is the preferred term to describe clinical presentations carrying a risk of cancer development in the oral cavity?

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

What are examples of oral potentially malignant disorders?

<p>Erythroplakia, Leukoplakia, Smokless tobacoo keratosis (C)</p> Signup and view all the answers

What do cytological abnormalities in dysplasia indicate?

<p>The lesion is premalignant or malignant (A)</p> Signup and view all the answers

What is the percentage range of epithelial dysplasias that become malignant?

<p>5-18% (A)</p> Signup and view all the answers

What is the primary focus of the lecture on oral epithelial dysplasia?

<p>Histopathological aspects of oral epithelial dysplasia (C)</p> Signup and view all the answers

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