Understanding Cancer: Definition, Types, and Characteristics
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Questions and Answers

What are the primary common cancers that can spread to the brain?

  • Gliomas and meningiomas
  • Breast cancer, colon cancer, kidney cancer, and lung cancer (correct)
  • Skin cancer and medulloblastoma
  • Pituitary tumors and schwannomas

    • How are other brain tumors described?

  • From the kinds of cells they are made of (correct)
  • According to their color under a microscope
  • By the location in the brain where they form
  • Based on the symptoms they cause

    • Which type of brain tumor is linked to the meninges?

  • Schwannomas
  • Meningiomas (correct)
  • Pituitary tumors
  • Medulloblastoma

    • What is the most common solid tumor in children and adolescents?

    <p>Brain tumors</p> Signup and view all the answers

    Which type of tumors account for the majority of primary brain tumors?

    <p>Anaplastic astrocytomas and glioblastomas</p> Signup and view all the answers

    How many new cases of brain and other CNS tumors were diagnosed worldwide in 2020?

    <p>308,102 cases</p> Signup and view all the answers

    What distinguishes a benign brain tumor from a malignant one?

    <p>Benign tumors grow slowly and have distinct borders.</p> Signup and view all the answers

    Which tumor type can still be dangerous even though it is benign?

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

    What does the '-oma' suffix usually denote?

    <p>Benign tumors and abnormal growths</p> Signup and view all the answers

    Which brain tumor type is most likely to originate in the brain itself?

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

    What sets primary brain tumors apart from metastatic brain tumors?

    <p>Primary tumors start in the brain.</p> Signup and view all the answers

    Which term refers to malignant brain tumors?

    <p>Cancerous tumor</p> Signup and view all the answers

    What is the most common type of malignant brain tumor in adults?

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

    Which subtype of malignant brain tumor has the most aggressive behavior?

    <p>Glioblastoma multiforme</p> Signup and view all the answers

    What is the median overall survival for glioblastoma multiforme (GBM) patients?

    <p>12-16 months</p> Signup and view all the answers

    Which imaging technique is commonly used to diagnose brain tumors?

    <p>Contrast-enhanced magnetic resonance imaging (MRI)</p> Signup and view all the answers

    What are the common symptoms associated with brain tumors?

    <p>Headaches and vision changes</p> Signup and view all the answers

    What is the most common primary spinal tumor?

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

    What is the primary characteristic of cancer cells?

    <p>They grow and divide uncontrollably</p> Signup and view all the answers

    Which of the following is NOT a potential cause of genetic changes that can lead to cancer?

    <p>Regular exercise and a healthy diet</p> Signup and view all the answers

    What is the process by which cancer cells spread to distant parts of the body?

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

    Which of the following statements about chronic inflammation is TRUE?

    <p>It can contribute to the development of cancer</p> Signup and view all the answers

    What is the primary difference between cancerous and non-cancerous tumors?

    <p>Cancerous tumors can invade nearby tissues and metastasize</p> Signup and view all the answers

    According to the information provided, what type of cells can acquire genetic changes that lead to cancer?

    <p>The information is unclear about the cell type</p> Signup and view all the answers

    What is the primary purpose of a biopsy in the diagnosis of brain tumors?

    <p>To identify an area of tissue with sufficient tumor for detection</p> Signup and view all the answers

    Which of the following tests is NOT mentioned as a method to confirm the diagnosis if a biopsy is not possible?

    <p>Magnetic Resonance Imaging (MRI)</p> Signup and view all the answers

    What does the World Health Organization (WHO) tumor grading system for brain tumors range from?

    <p>1 (least aggressive) to 4 (most aggressive)</p> Signup and view all the answers

    Which of the following treatment options is NOT mentioned in the text for brain tumors?

    <p>Stem cell therapy</p> Signup and view all the answers

    What is the purpose of a genomic DNA extraction from a blood or bone marrow specimen?

    <p>To capture and sequence the exons 4 and 5 of the IDH1 gene</p> Signup and view all the answers

    Which of the following statements is true regarding the grading of brain tumors, according to the text?

    <p>The grade of a brain tumor defines how serious it is</p> Signup and view all the answers

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