Oral Epithelial Dysplasia and Potentially Malignant Disorders Quiz
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Questions and Answers

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

  • Dyskeratosis congenita
  • Oral potentially malignant disorders (correct)
  • Leukoplakia
  • Actinic Cheilitis

Which of the following is not included in the lesions classified as oral potentially malignant disorders?

  • Chronic candidiasis
  • Actinic keratosis (correct)
  • Syphilitic glossitis
  • Lichen planus

What percentage of epithelial dysplasias become malignant?

  • 20-30%
  • 30-40%
  • 2-5%
  • 5-18% (correct)

Which term refers to the abnormal formation of epithelium (or any tissue)?

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

How is dysplasia usually graded?

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

Which of the following is a clinical feature of the different degrees of oral epithelial dysplasia?

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

Which one of the following is a clinical feature of actinic cheilitis (solar cheilitis)?

<p>The vermilion border of the lip may become scaly and indurated and may be ulcerated (C)</p> Signup and view all the answers

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

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

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

<p>Oral Submucous Fibrosis (D)</p> Signup and view all the answers

Which text would be most relevant for detailed information on oral potentially malignant disorders?

<p>Soames’ and Southam’s Oral Pathology. 5th edition. Oxford University Press, 2018 (B)</p> Signup and view all the answers

Which condition is typically associated with pipe and cigar smoking?

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

Which condition is a high-risk precancerous condition common in Asian communities, especially in India?

<p>Oral Submucous Fibrosis (D)</p> Signup and view all the answers

Which condition carries a risk of cancer development in the oral cavity?

<p>Oral Epithelial Dysplasia (D)</p> Signup and view all the answers

Which condition may show signs of epithelial dysplasia such as leukoplakia and erythroplakia?

<p>Oral Epithelial Dysplasia (D)</p> Signup and view all the answers

Which potentially malignant disorder is characterized by a flat red patch with a soft, velvety texture and has a 40% risk of malignant transformation?

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

What are the high-risk variants of leukoplakia, with the former being multifocal, aggressive, and having a high recurrence rate?

<p>Proliferative verrucous leukoplakia and speckled leukoplakia (C)</p> Signup and view all the answers

What is the clinical term for white patches on oral mucosa that are not rub-offable and cannot be clinically characterized as any other disease?

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

What characterizes oral epithelial dysplasia as severe, indicating carcinoma in situ?

<p>Irregular epithelial stratification and abnormal variation in nuclear size (D)</p> Signup and view all the answers

What are the extrinsic factors contributing to potentially malignant disorders?

<p>Tobacco, alcohol, and actinic radiation (B)</p> Signup and view all the answers

What is characterized by accelerated tissue damage of the lips, mainly the lower lip, due to chronic exposure to sunlight?

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

Flashcards

Oral Potentially Malignant Disorders (OPMD)

Clinical presentations in the oral cavity that increase cancer risk.

Actinic Keratosis

Skin condition, not an OPMD.

Epithelial Dysplasia

Abnormal formation of epithelial tissue.

Dysplasia grading

Mild, moderate, and severe degrees of abnormal tissue development.

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Erythroplakia

Red patch, velvety texture oral lesion, high cancer risk.

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Actinic Cheilitis

Sun-damaged lips, scaly and indurated

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Nicotine Stomatitis

Reversible oral condition from tobacco use

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Oral Submucous Fibrosis

Chronic progressive scarring of oral mucosa;high cancer risk.

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Leukoplakia

Non-rub-offable white patches, oral mucosa

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Proliferative Verrucous Leukoplakia

High-risk leukoplakia variant with high recurrence

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Speckled Leukoplakia

High-risk leukoplakia variant, multifocal

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Severe Epithelial Dysplasia

Irregular cell structure, potential carcinoma in situ

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Extrinsic Factors (OPMD)

Tobacco, alcohol, and sunlight are risk factors

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Oral Epithelial Dysplasia

Abnormal cell growth in the lining of the mouth associated with leukoplakia/erythroplakia

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High-Risk Leukoplakia Variants

Proliferative verrucous leukoplakia and speckled leukoplakia

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Oral Epithelial Dysplasia (percent cancerous)

5-18% chance of becoming malignant

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Study Notes

Oral Epithelial Dysplasia and Potentially Malignant Disorders Overview

  • Oral epithelial dysplasia is characterized by abnormal mitosis, unequal division, architectural changes, cytological changes, irregular epithelial stratification, abnormal variation in nuclear size, loss of polarity of basal cells, abnormal variation in cell size and shape, and other cellular abnormalities.
  • Epithelial dysplasia is graded as mild, moderate, or severe based on the degree of epithelial involvement, with severe dysplasia indicating carcinoma in situ.
  • Extrinsic factors contributing to potentially malignant disorders include tobacco, alcohol, actinic radiation, chronic infections, and nutritional deficiencies, while intrinsic factors are also involved.
  • Leukoplakia is a clinical term for white patches on oral mucosa that are not rub-offable and cannot be clinically characterized as any other disease, and its clinical features vary based on the site and appearance of the lesions.
  • Proliferative verrucous leukoplakia and speckled leukoplakia are high-risk variants of leukoplakia, with the former being multifocal, aggressive, and having a high recurrence rate.
  • Erythroplakia is a flat red patch with a soft, velvety texture that cannot be attributed to any other condition and has a 40% risk of malignant transformation.
  • Actinic cheilitis is characterized by accelerated tissue damage of the lips, mainly the lower lip, due to chronic exposure to sunlight.

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Description

Test your knowledge of oral epithelial dysplasia and potentially malignant disorders with this informative quiz. Explore the characteristics, grading, and factors contributing to these conditions, as well as high-risk variants such as leukoplakia and erythroplakia. Assess your understanding of actinic cheilitis and its associated features.

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