Tumor Markers in Cancer Diagnosis
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Questions and Answers

What is the primary use of tumor marker AFP?

  • Staging of tumors
  • Diagnosis of residual disease
  • Monitoring treatment response (correct)
  • Screening for tumors

    • Which tumor marker is most commonly used for screening?

  • CEA
  • AFP (correct)
  • CA125
  • PSA

    • What is the typical decrease in PSA levels after treatment?

  • ↓ 2-3 months after treatment
  • ↓ 1-2 weeks after treatment
  • ↓ 1-2 months after treatment
  • ↓ 2-3 weeks after treatment (correct)

    • What is the specificity of CEA for detecting residual disease or recurrence?

    <p>75%</p> Signup and view all the answers

    Which of the following tumor markers is NOT used for staging?

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

    What is the primary method of testing for receptor markers?

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

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