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</p> Signup and view all the answers

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

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

    Where does laryngeal carcinoma develop in the majority of cases?

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

    How does carcinoma of the larynx typically manifest itself clinically?

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

    Which age group commonly experiences Carcinoma of the Larynx?

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

    Which virus is responsible for causing laryngeal papillomas?

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

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

    <p>Hoarseness</p> Signup and view all the answers

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