Thyroid 4

Question 1

what is the most common lesions in the thyroid

Answer 1

adenoma

Question 2

sonographic appearance of adenoma

Answer 2

rough texture, isoechoic/hypo

Question 3

what is goiter

Answer 3

enlargement of thyroid without signs of hyperthyroidism but is cause by hyperplasia

Question 4

what can goiter cause

Answer 4

pressure damage to surrounding organs

Question 5

what does multi nodular goiter appear as

Answer 5

heterogenous in appearance

multiple masses with varying size and echo texture

Question 6

The only well established risk factor for differentiated thyroid cancer is

Answer 6

external header and neck radiation

Question 7

most common thyroid malignancy is

Answer 7

papillary cancer

Question 8

most specific finding for sonography of papillary cancer is

Answer 8

microcalcifications

Question 9

most papillary cancers are

Answer 9

solid, hypoechoic and intrinsic vascularity

Question 10

what cannot be differentiated on US

Answer 10

follicular adenoma vs follicular carcinoma

Question 11

sonographic appearance of follicular adenoma/carcinoma

Answer 11

single, with peripheral halo, pseudotesticle

Question 12

medullary carcinomas come for m

Answer 12

the parafollicular C cells located in the upper two thirds of the thyroid gland

Question 13

medially carcinomas typically apear

Answer 13

solid, hypoehcoic and have coarse central calcifications

Question 14

anaplastic carcinoma appearance

Answer 14

large, fixed, hard, heterogenous

Question 15

appearance of lymphoma

Answer 15

hypoechoic with pseudo cystic pattern

Question 16

metastic disease appearance

Answer 16

solid, non calcified, hypoechoic nodules, hyper vascular