hyperthyroidism - Mx

Question 1

Ix - results of tfts

Answer 1

1. TSH levels - low
2. T3/ T4 - both are high
3. Thyroid antibodies - Grave’s disease

Question 2

Ix - imaging

Answer 2

1. Thyroid ultrasound

2. Thyroid scintigraphy - iodine uptake scan

Question 3

Thyroid scintigraphy - results of grave’s diseas

Answer 3

enlarged gland with diffusely increased RAI uptake

Question 4

Thyroid scintigraphy - toxic MNG

Answer 4

multiple nodular areas, both cold and hot, resulting in an overall heterogeneous appearance

Question 5

symptomatic tx of hyperthyroidism

Answer 5

beta blockers

Question 6

First line - mx

Answer 6

Anti thyroid drugs -

1. Methimazole
2. Prophylthiouracil

Question 7

When is ‘prophylthiouracil’ first line?

Answer 7

1. First trimester of pregnancy

2. Thyroid storm

Question 8

Second line - mx

Answer 8

Radioactive iodine ablation - destruction of thyroid tissue using radioacive iodine