Imaging the Thyroid

Question 1

What are the types of thyroid functional disease?

Answer 1

Hyperthyroidism
-Graves'
Toxic Adenoma
-Toxic Multinodular goiter
-Thyroiditis
-Spurious ingestion of TH

Question 2

What is the role of Imaging in HYPOthyroidism?

Answer 2

NO ROLE

Tx by hormone replacement

Question 3

What test is used in imaging he Hyperthyroid Patient?

Answer 3

Nuclear MEdicine iodine uptake and Scan **

ULtrasound, CT, MR are not helpful in eval of Functional thyroid disease

Question 4

WHat are the considerations in Morphologic disease of the thyroid?

Answer 4

Self palpation
Phys Palpated
Incidental detection
Screening because of Fam history or radiation exposure

Question 5

What is the difference between a diffuse goiter and distinct nodules?

Answer 5

Prominent thyroid without focal nodule (thyroid is enlarged) = diffuse goiter

Question 6

What are the etiologies of distinct nodules?

Answer 6

Colloid cyst
Benign adenoma
Malignancy
-Papillary
-Follicular

Question 7

How is morphological Thyroid disease imaged?

Answer 7

ULTRASOUND

Non-ionizing radiation

Question 8

What are the limitations of Ultrasound?

Answer 8

Can’t reliably distinguish benign from malignant thyroid nodules
Nuclear med can be used as an adjunct
(hot benign, cold indeterminite)