You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is This investigation to visualize parathyroids is done using and explain in detail?
99mTc sestamibi - Parathyroid imaging99mTc peechnetate - Thyroid, Meckel&;s diveiculum99mTc exametazime - Cerebral blood flow imaging99mTc MAG3 - Renal imaging