Goitre Flashcards
How common is goitre>
Can be felt in 9% of population
Who do goitres affect?
-3/4 of thyroid cancers affect women and present as thyroid nodules.
What are the main symptoms of goitres?
- recognised by enlarging neck
- painless
- large goitre can cause dysphagia and difficulty breathing.
What are the examination signs of a goitre?
-small goitre visible on swallowing.
(note size, shape, consistency, mobility.
What may cause pain in a goitre?
-Thyroiditis
Excessive doses of which 2 drugs can induce a goitre?
1) carbimazole
2) propylthiouracil
What are 2 causes of goitre?
1) iodine deficiency
2) dyshormonogenesis
What does a smooth, non toxic goitre indicate?
1) iodine deficiency Or 2)thyroiditis Or 3)hashimotos thyroiditis or 4)congenital
What does a smooth, toxic goitre indicate?
Grave’s disease
What 3 questions should you ask yourself when approaching a goitre?
1) Is the thyroid smooth or nodular?
2) Is the pt euthyroid, thyrotoxic or hypo thyroid?
3) If there are nodules, how many are there?
what does acute tenderness and diffuse swelling of a thyroid indicate?
Thyroiditis (viral)
what does a firm, diffuse goitre of variable size indicate?
Autoimmune:
- hashimoto’s thyroiditis
- thyrotoxicosis (grave’s disease_
Is a multinodular goitre usually euthyroid, thyrotoxic or hypothyroid?
euthyroid
What could a single thyroid lump be?
- malignant cancer (5% risk)
- cyst
- adenoma
What are the signs of a maligant goitre?
- rapid enlargement
- lymph node involvement
- painful
- risk factors include : radiation, iodine def,
