Tumours of the Upper Respiratory Tract: Nasopharyngeal Carcinoma
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Questions and Answers

Which virus has strong epidemiologic links to nasopharyngeal carcinoma?

  • Influenza virus
  • HPV
  • RSV
  • EBV (correct)

What is the histologic variant of nasopharyngeal carcinoma that is characterized by the presence of keratin?

  • Nonkeratinizing squamous cell carcinoma
  • Undifferentiated carcinoma
  • Adenocarcinoma
  • Keratinizing squamous cell carcinoma (correct)

What type of neoplasm is laryngeal papilloma?

  • Benign neoplasm (correct)
  • Metastatic neoplasm
  • Malignant neoplasm
  • Sarcoma

What is the most common cause of vocal cord nodules according to the text?

<p>Chronic irritation or abuse (A)</p> Signup and view all the answers

What is the most common type of carcinoma seen in laryngeal cancer?

<p>Squamous cell lesion (B)</p> Signup and view all the answers

Where does laryngeal carcinoma develop in the majority of cases?

<p>Above the vocal cords (supraglottic) (C)</p> Signup and view all the answers

How does carcinoma of the larynx typically manifest itself clinically?

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

Which age group commonly experiences Carcinoma of the Larynx?

<p>Over 60 years (A)</p> Signup and view all the answers

What is the gender ratio for the occurrence of Carcinoma of the Larynx?

<p>3 : 2 (men : women) (B)</p> Signup and view all the answers

What is the primary environmental factor associated with the causation of Carcinoma of the Larynx according to the text?

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

What is the histologic variant of nasopharyngeal carcinoma that is characterized by the absence of keratin?

<p>Nonkeratinizing squamous cell carcinoma (C)</p> Signup and view all the answers

Which cells are primarily infected by EBV in nasopharyngeal carcinoma before leading to transformation of epithelial cells?

<p>Tonsillar B lymphocytes (C)</p> Signup and view all the answers

Which virus is responsible for causing laryngeal papillomas?

<p>Human papillomavirus (HPV) (C)</p> Signup and view all the answers

What is the major clinical manifestation of vocal cord nodules in individuals affected by them?

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

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