A 45-year old woman with no relevant previous history comes to observation with blood tests indicating high T3 and T4, low TSH and TRH levels. Which of these statements is/are correct?

Question

Answer

it may be a case of autoimmune hyperthyroidism (Graves / Basedow syndrome)

Answer

it may be a case of hypersecreting thyroid nodule (tumour)

Answer

you should rule out that she is taking thyroid hormone substitution therapy

Answer

you suspect her to be affected by a pituitary tumour

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A 45-year old woman with no relevant previous history comes to observation with ...

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