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Medical Emergencies · single question

Which statement about oligodendroglioma is correct?

  1. It is an autoimmune disease
  2. It is a glial-cell brain tumor associated with IDH mutation and 1p/19q co-deletion
  3. It is caused by a bacterial infection
  4. It only occurs in the spinal cord
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Correct answer: B. It is a glial-cell brain tumor associated with IDH mutation and 1p/19q co-deletion

  • A. Oligodendrogliomas are neoplasms, not autoimmune diseases.
  • B. Correct. They arise from oligodendrocytes (glial cells) and are characterized molecularly by IDH mutation and 1p/19q co-deletion; common symptoms are headaches and seizures.
  • C. They are caused by genetic mutations, not bacteria.
  • D. They are primarily brain (cerebral) tumors, not spinal-cord-exclusive.

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