Part B 01
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MP3 – SoundCloud
Answer
Exercise 2
- 放射線トレーサーは検査される部位を通過しガンマ波のエネルギーを放出します。そのエネルギーは特別なカメラとコンピュータによって検知され甲状腺のイメージを作ります。
- また、過去2ヶ月以内にヨード系造影剤を使用した施術を受けたことがあれば医師に伝えてください。
- しかし、使用する放射性物質の量が少ないため、放射線の被曝量は比較的少なく、正確な診断ができるというメリットはリスクをはるかに上回ります。
Exercise 3
- B
Transcript
| Oncologist: | A thyroid scan provides information about your thyroid size, shape, and position.
During a thyroid scan, a radioactive material called a radio tracer is swallowed and is absorbed by your body. It travels through the area being examined and gives off energy in the form of gamma rays, which are detected by a special camera and computer to create images of your thyroid. A thyroid scan tests your thyroids function. It measures how much radioactive iodine is taken up by your thyroid in a given period of time. You will be given the radioactive iodine in liquid or capsule form. During the exam, you will sit in a chair and a probe will be positioned over your thyroid while a scanner moves over your neck. To prepare for these tests, you may be asked not to eat or drink anything and to refrain from taking certain medications beforehand, leave any jewelry at home and wear loose comfortable clothing. You may be asked to wear a gown. Tell your doctor if there’s any possibility you are pregnant or if you’re breastfeeding. , discuss any recent illnesses or other medical conditions, medications you’re taking and whether you have any allergies. Also tell your doctor if you’ve had any procedures within the last two months that used iodine based contrast material, you may have some concerns about thyroid scan and uptake. However, because the amount of radiotracer used is small, the level of radiation exposure is relatively low, and the benefit of an accurate diagnosis far outweighs any risk. |