Neck

Question 1

what are the anatomical landmarks for the neck?

Answer 1

common carotid artery
external jugular vein
esophagus
trachea

Question 2

what is the trachea useful for finding?

Answer 2

thyroid glands

Question 3

what is the normal length and height of the thyroid glands in dogs?

Answer 3

length 25-30mm
height 4-6mm

Question 4

how many lobes does the thyroid have?

Answer 4

2

Question 5

how many parathyroid glands are there?

Answer 5

usually two per lobe- four total

Question 6

what is the normal size of the parathyroid glands?

Answer 6

<2mm in height
3.3mm in length

Question 7

where can a thyroid tumor be?

Answer 7

from base of tongue to base of heart

Question 8

what are thyroid carcinomas like?

Answer 8

rapid-growing
locally aggressive
bilateral 40%
metastasize to lung and regional lymph nodes

Question 9

how often are adenomas/hyperplasia of the thyroid bilateral?

Answer 9

70%

Question 10

what can cause primary hyperparathyroidism?

Answer 10

hyperplasia or adenoma, less commonly adenocarcinoma

Question 11

what does sialocele look like?

Answer 11

variable wall thickness, usually thin-walled
anechoic to echogenic

Question 12

how can cervical lymph nodes be abnormal?

Answer 12

reactive
neoplasia