Podcast
Questions and Answers
What is the advantage of using 123I in thyroid imaging?
What is the advantage of using 123I in thyroid imaging?
- No advantages over 131I
- Particulate radiation and low image resolution
- Higher radiation dose to the patient
- Well-resolved images and low radiation dose to the patient (correct)
What is the purpose of thyroid imaging using 123I?
What is the purpose of thyroid imaging using 123I?
- To determine the presence of thyroid tissue in the lung
- To determine the presence of thyroid tissue in the brain
- To determine the relative function of nodules in the thyroid gland (correct)
- To determine the presence of thyroid tissue in the liver
What is the recommended time to start scanning after the administration of 123I?
What is the recommended time to start scanning after the administration of 123I?
- Immediately after administration
- 1 hour after administration
- 4 to 24 hours after administration (correct)
- 20 minutes after administration
What can affect the uptake of 123I in thyroid imaging?
What can affect the uptake of 123I in thyroid imaging?
What is the adult dose of 99m Tc pertechnetate administered intravenously?
What is the adult dose of 99m Tc pertechnetate administered intravenously?
What type of collimator is used in thyroid imaging?
What type of collimator is used in thyroid imaging?
What is the primary purpose of measuring 131I uptake in the thyroid gland?
What is the primary purpose of measuring 131I uptake in the thyroid gland?
What is the dose of 131I sodium iodide administered orally for a standard uptake test in adults?
What is the dose of 131I sodium iodide administered orally for a standard uptake test in adults?
What is the significance of a higher uptake of 131I in the thyroid gland?
What is the significance of a higher uptake of 131I in the thyroid gland?
What is the purpose of comparing the patient's total count with the standard count in 131I uptake measurement?
What is the purpose of comparing the patient's total count with the standard count in 131I uptake measurement?
What is the role of 131I uptake measurement in patients with Graves disease?
What is the role of 131I uptake measurement in patients with Graves disease?
What is the significance of a lower uptake of 131I in the thyroid gland?
What is the significance of a lower uptake of 131I in the thyroid gland?
What is the advantage of using positron-emitting radionuclides in nuclear medicine studies?
What is the advantage of using positron-emitting radionuclides in nuclear medicine studies?
What is the current emphasis of nuclear medicine studies?
What is the current emphasis of nuclear medicine studies?
What was the significant development in PET imaging beginning in 2000?
What was the significant development in PET imaging beginning in 2000?
What is the benefit of using CT in combination with PET or SPECT?
What is the benefit of using CT in combination with PET or SPECT?
What is the expected benefit of using combined PET and CT systems for diagnosing metastatic disease?
What is the expected benefit of using combined PET and CT systems for diagnosing metastatic disease?
What is the relevance of hypothyroidism in the context of nuclear medicine?
What is the relevance of hypothyroidism in the context of nuclear medicine?
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