Thyroid cancer

Question 1

What is the most common type of thyroid cancer?

Answer 1

Papillary

Question 2

How does papillary cancer usually spread?

Answer 2

Lymph

Question 3

What kind of thyroid cancer has an association with hashimotos thyroiditis?

Answer 3

Papillary

Question 4

What type of cancer occurs mainly in the iodine rich parts of the thyroid gland?

Answer 4

Papillary

Question 5

Which type of cancer commonly occurs in younger women?

Answer 5

Papillary

Question 6

Which type of cancer is said to have orphan annie eyes on histology?

Answer 6

Papillary

Question 7

How do you investigate for a suspected thyroid cancer?

Answer 7

US guided fine needle aspirate

Question 8

Which type of cancer is commoner is people aged 40 - 60?

Answer 8

Follicular

Question 9

Which type of cancer spreads haematogenously?

Answer 9

Follicular

Question 10

Which type of cancer in commoner in areas where there is an iodine deficiency?

Answer 10

Follicular

Question 11

What is the treatment for differentiated thyroid cancer?

Answer 11

Surgery

Question 12

What biochemical test must be done 24 hrs after a thyroidectomy?

Answer 12

Calcium

Question 13

What cancer arises from the parafollicular C cells?

Answer 13

Medullary

Question 14

What cancer causes a rise in serum calcitonin?

Answer 14

Medullary

Question 15

What are the two components of MEN2?

Answer 15

Medullary thyroid cancer + Phaeochromocytoma.

Question 16

Which thyroid cancer do you get diarrhea in?

Answer 16

Medullary

Question 17

What type of cancer occurs most often in elderly people?

Answer 17

Anaplastic

Question 18

What type of cancer has the worst prognosis?

Answer 18

Anaplastic

Question 19

How do you treat anaplastic thyroid cancer?

Answer 19

Palliative chemo and radio therapy

Question 20

Which cancer has a very high mitotic rate?

Answer 20

Anaplastic

Question 21

Which cancer is difficult to differentiate from a benign adenoma?

Answer 21

Follicular

Question 22

Which cancer is derived from the epithelium?

Answer 22

Follicular

Question 23

Which tyroid cancer is a neuroendocrine tumour?

Answer 23

Medullary

Question 24

What serum tests is used to look for reccurrences of thyroid cancer?

Answer 24

Thyroglobulin

Question 25

How high should the serum thyroglobulin be?

Answer 25

Less than 2

Question 26

What else should the laboratory test for when they are testing for thyroglobulin?

Answer 26

Thyroglobulin antibodies

Question 27

How long after a thyroidectomy should a patient get a radioisotope scan?

Answer 27

3 - 6 months

Question 28

What does a patient have to do before getting a radio isotope scan to look for recurrence of thyroid cancer?

Answer 28

Stop taking T4 to cause a high TSH

Question 29

How much uptake of iodine should the thyroid have after a whole body iodine scan?

Answer 29

Less than 0.1%

Question 30

Where do parafollicular C cells come form embryologically?

Answer 30

The neural crest

Question 31

How do you treat medullary thyroid cancer?

Answer 31

Surgery