Question 72 (part 2) · LEK · Thyroid cancer
Which statement is false about the treatment of differentiated thyroid glands with radioactive iodine:
- A. the effectiveness of the treatment requires an adequate (>30 mIU/ml) TSH concentration.
- B. the effectiveness of the treatment increases with the administration of exogenous recombinant TSH.
- C. radioactive iodine is used in the palliative treatment of metastases to the bones.
- D. no imaging examinations with the use of iodine contrast should be performed within the period of 3 months prior to the commencement of therapy with radioactive iodine
- E. radioactive iodine is effective in the treatment of metastases to the lungs on condition that the healthy parts of the thyroid are not removed after primary tumour resection.
Hint
Normal thyroid remnant competes with tumour for iodine – what has to be done before radioiodine treatment?
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