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Classification of Brain Tumors
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Classification of Brain Tumors

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Questions and Answers

What is the primary reason for the problems caused by a brain tumor growing inside the skull?

  • The increase in intra cranial pressure damages the brain (correct)
  • The buildup of extra cells forms a mass of tissue
  • The tumor replaces normal cells in the brain
  • The rigid skull restricts the growth of the tumor
  • What is the percentage of primary brain tumors that are Meningioma, a benign primary tumor?

  • 20.8%
  • 25.5%
  • 17.1%
  • 33.8% (correct)
  • According to the 2010 data, what is the age range of adults where brain tumors typically occur?

  • 2nd to 4th decade
  • 4th to 6th decade
  • 5th to 7th decade (correct)
  • 3rd to 5th decade
  • What is the location of the largest percentage of childhood tumors?

    <p>Frontal, parietal, and occipital lobe</p> Signup and view all the answers

    In what year did the World Health Organization (WHO) first publish a universal classification system for CNS tumors?

    <p>1979</p> Signup and view all the answers

    What is the primary characteristic that distinguishes primary brain tumors from secondary brain tumors?

    <p>Their origin in the CNS</p> Signup and view all the answers

    What is a characteristic of benign brain tumors that is not typical of benign tumors in other parts of the body?

    <p>They are rarely life-threatening</p> Signup and view all the answers

    What is a key difference between benign and malignant brain tumors in terms of their growth patterns?

    <p>Benign tumors are stable, while malignant tumors grow rapidly</p> Signup and view all the answers

    What is a potential consequence of a benign brain tumor?

    <p>It can press on sensitive areas of the brain and cause serious health problems</p> Signup and view all the answers

    What is a characteristic of malignant brain tumors in terms of their spread?

    <p>They rarely spread to other parts of the body</p> Signup and view all the answers

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