toxic multi nodular goitre

Question 1

What is a ‘toxic multinodular goiter’

Answer 1

1. mutation of TSH receptors occur in goitres
2. TSH receptors being to function autonomously
3. excess thyroid hormone secreted from some nodules in goitre

Question 2

Ix - TFT results

Answer 2

1. High T3 and T4

2. Low TSH

Question 3

What does ‘thyroid scintigraphy’ show?

Answer 3

1. increased iodine uptake from certain nodules