CNS Tumors
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Questions and Answers

What percentage of CNS tumors are metastases from other cancers?

  • Between 15% and 25%
  • More than 25% (correct)
  • Between 10% and 15%
  • Less than 10%
  • Which type of CNS tumor is the second most common cancer in children under 15?

  • Primary CNS tumor (correct)
  • Meningioma
  • Metastatic CNS tumor
  • Glioblastoma multiforme
  • Which type of astrocytoma has the best prognosis?

  • Grade 1 astrocytoma (correct)
  • Grade 2 astrocytoma
  • Grade 3 astrocytoma
  • Grade 4 astrocytoma
  • Which type of astrocytoma is the most common form of glioma?

    <p>Grade 2 astrocytoma</p> Signup and view all the answers

    Which type of astrocytoma may evolve from a lower grade?

    <p>Grade 3 astrocytoma</p> Signup and view all the answers

    What is the most aggressive type of astrocytoma?

    <p>Grade 4 astrocytoma</p> Signup and view all the answers

    What is the characteristic appearance of glioblastoma multiforme?

    <p>Variegated with areas of tumor necrosis</p> Signup and view all the answers

    Study Notes

    • Tumors of the CNS can be primary or metastatic.
    • More than 25% of CNS tumors are metastases from other cancers.
    • Primary CNS tumors are the second most common cancer in children under 15.
    • Both benign and malignant tumors can cause neurological impairment.
    • Astrocytomas are divided into 4 grades by the WHO classification.
    • Grade 1 astrocytoma has a good prognosis and includes juvenile pilocytic astrocytoma.
    • Grade 2 astrocytoma is the most common form of glioma.
    • Grade 3 astrocytoma is anaplastic and may evolve from a lower grade.
    • Grade 4 astrocytoma is the most aggressive and is known as glioblastoma multiforme.
    • Glioblastoma multiforme has a variegated appearance and shows areas of tumor necrosis.

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    Description

    Test your knowledge about tumors of the central nervous system with this quiz! Learn about the differences between primary and metastatic tumors, the various grades of astrocytomas, and the neurological impairments that can result from both benign and malignant tumors. Discover interesting facts, such as the prevalence of CNS tumors in children and the aggressive nature of glioblastoma multiforme. Challenge yourself with this informative and engaging quiz!

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