Microscopic Features and Rate of Growth of Tumors
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Questions and Answers

What is the term used to describe the variation in size and shape of cells within a neoplasm?

  • Anaplasia
  • Pleomorphism (correct)
  • Metaplasia
  • Hyperplasia
  • Which feature is characteristic of poorly differentiated tumors?

  • Normal architectural arrangement
  • Abnormal nuclear morphology (correct)
  • Loss of pleomorphism
  • Low mitotic activity
  • In general, which type of tumor has a slower rate of growth compared to moderately and poorly differentiated malignant tumors?

  • Well-differentiated malignant tumors
  • Poorly differentiated malignant tumors
  • Moderately differentiated malignant tumors
  • Benign tumors (correct)
  • What factor can affect the growth rate of tumors besides differentiation?

    <p>Blood supply</p> Signup and view all the answers

    Which type of neoplasm is circumscribed, often encapsulated, and pushes normal tissue aside?

    <p>Benign neoplasm</p> Signup and view all the answers

    What is the term for the process where benign neoplasms remain localized to the site of origin?

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

    Which feature distinguishes benign from malignant neoplasms based on the text?

    <p>Frequent ulceration</p> Signup and view all the answers

    What feature is used to determine the tumor grade based on the text?

    <p>Differentiation and Anaplasia</p> Signup and view all the answers

    Which characteristic is indicative of a well-differentiated tumor with the best prognosis?

    <p>Similarity to tissue of origin</p> Signup and view all the answers

    In terms of the growth pattern, what feature would be more common in malignant neoplasms?

    <p>Frequent growth spread</p> Signup and view all the answers

    How does undifferentiated neoplasm differ from well-differentiated ones?

    <p>Categorized to a particular cell type</p> Signup and view all the answers

    Which feature distinguishes benign and malignant tumors based on their rate of growth?

    <p>Fast growth rate</p> Signup and view all the answers

    Which of the following characteristics is NOT typically seen in malignant cells?

    <p>Even chromatin distribution</p> Signup and view all the answers

    What distinguishes carcinoma in situ from invasive carcinoma?

    <p>Invasion beyond the basement membrane</p> Signup and view all the answers

    Which of the following nuclear characteristics is indicative of pre-malignant changes in cells?

    <p>Uneven chromatin distribution</p> Signup and view all the answers

    What feature differentiates carcinoma in situ from normal epithelium?

    <p>Tumor invasion of subepithelial stroma</p> Signup and view all the answers

    Which growth pattern is typically observed in dysplastic cells?

    <p>Failure of normal differentiation</p> Signup and view all the answers

    What distinguishes benign cells from malignant cells in terms of mitotic activity?

    <p>Increased mitotic activity</p> Signup and view all the answers

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