Thyrotoxicosis Flashcards
1
Q
Causes of thyrotoxicosis
A
- Graves’ disease
- Toxic nodular goitre
- acute phase of:
> subacute (de Quervain’s) thyroiditis
> post-partum thyroiditis
> Hashimoto’s thyroiditis - amiodarone
- contrast
2
Q
Most common cause of thyrotoxicosis
A
Grave’s disease
3
Q
Patients with existing thyrotoxicosis should not receive iodinated contrast medium. TRUE/FALSE
A
TRUE
4
Q
What investigations should be undertaken if you suspect thyrotoxicosis?
A
- TFTs - TSH low, T4/ T3 raised
- thyroid autoantibodies
5
Q
What is a toxic multinodular goitre?
A
thyroid gland with a number of autonomously functioning thyroid nodules
=> hyperthyroidism.
6
Q
What imaging finding would indicate a toxic multinodular goitre
A
Nuclear scintigraphy reveals patchy uptake.
7
Q
Treatment of toxic multinodular goitre?
A
radioiodine therapy
