Nuclear Medicine in Tumor Diagnosis
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Questions and Answers

What is one of the uses of nuclear medicine in the detection of tumors?

  • Evaluating suspected brain cancer
  • Evaluating solitary liver nodule
  • Evaluating nodular thyroid disease (correct)
  • Evaluating suspected kidney cancer

    • What is an example of a procedure used to detect breast cancer when mammography is not conclusive?

  • Scintigraphy
  • Scintimamography (correct)
  • Positron emission tomography (PET)
  • Ultrasound

    • What is the name of the recent imaging technique used in the detection of breast cancer?

  • Scintimamography
  • PET/CT
  • Mammography
  • Positron emission mammography (PEM) (correct)

    • What is the radiotracer used in scintimamography?

    <p>99mTc MIBI</p> Signup and view all the answers

    What is the imaging technique used in the detection of solitary lung nodule and suspected breast cancer?

    <p>PET/CT</p> Signup and view all the answers

    What is the radiotracer used in PET/CT study?

    <p>18F FDG</p> Signup and view all the answers

    What is a benefit of using nuclear medicine in the detection of tumors?

    <p>To evaluate the nature of visualized lesions</p> Signup and view all the answers

    What is the purpose of using 99mTc MIBI in scintimamography?

    <p>To facilitate the early and delayed imaging of the breasts</p> Signup and view all the answers

    What is an advantage of using PET/CT in the management of cancer?

    <p>It enables the evaluation of the nature of tumors and their metastases</p> Signup and view all the answers

    What is indicated by a focal accumulation of 99mTc MIBI in the right breast?

    <p>A malignant tumor</p> Signup and view all the answers

    What is the significance of high FDG activity in a solitary lung nodule?

    <p>It is a sign of a malignant tumor</p> Signup and view all the answers

    What does nuclear medicine help with in terms of tumors?

    <p>Detecting and characterizing certain tumors</p> Signup and view all the answers

    What is the purpose of using 99mTc MIBI in a scintimamography procedure?

    <p>To indicate the nature of visualized lesions</p> Signup and view all the answers

    What is an example of a tumor that can be detected using PET/CT?

    <p>Lung cancer</p> Signup and view all the answers

    What is the significance of a negative radionuclide mammography study?

    <p>It indicates the absence of cancer</p> Signup and view all the answers

    What is the role of PET/CT in the management of cancer?

    <p>For managing many types of cancer including detection</p> Signup and view all the answers

    What is the name of the radiotracer used in a 18F FDG-PET/CT study?

    <p>18F FDG</p> Signup and view all the answers

    What can be evaluated using scintimamography?

    <p>Breast cancer</p> Signup and view all the answers

    Which type of imaging is best suited for detecting solitary lung nodules and suspected breast cancer?

    <p>PET/CT</p> Signup and view all the answers

    What does a focal accumulation of 99mTc MIBI in the breast indicate?

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

    What is the primary benefit of using PET/CT in the management of cancer?

    <p>Evaluation of the nature of lesions</p> Signup and view all the answers

    What is the significance of high FDG activity in a solitary lung nodule?

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

    What is the role of scintimamography in breast cancer diagnosis?

    <p>Evaluation of lesions when mammography is not conclusive</p> Signup and view all the answers

    Study Notes

    Diagnosis of Tumors

    • Nuclear medicine helps in the detection and characterization of certain tumors, such as nodular thyroid disease as nodules that may be malignant.
    • Scintimammography is used in selected patients when mammography is not conclusive, involving intravenous injection of 99mTc MIBI followed by early and delayed imaging of the breasts to indicate the nature of visualized lesions.
    • Positron emission mammography (PEM) is also used in such cases.
    • PET/CT is used for managing many types of cancer, including detection, evaluation of solitary lung nodule, and tumor detection in cases with unknown primary.
    • Examples of PET/CT use include:
      • Evaluation of solitary lung nodule to determine malignancy
      • Tumor detection in cases with unknown primary
      • Suspected breast cancer
    • Studies have shown:
      • Focal accumulation of 99mTc MIBI in the right breast indicating cancer
      • Solitary lung nodule with high FDG activity indicating malignancy
      • 18F FDG-PET/CT study showing primary tumor in the right breast and foci of lymph node involvement

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    Description

    This quiz covers the role of nuclear medicine in detecting and characterizing tumors, including the use of scintimamography and positron emission mammography. It also explores the evaluation of nodular thyroid disease.

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