Thyroid/Neck Chpt. 12 Flashcards
Benign congenital cysts located superior to the thyroid gland near the hyoid bone are referred to as:
Thyroglossal duct cysts
Normally, how many parathyroid glands are found within the adult neck?
4
a cystic mass noted at the mandibular angle is most likely a:
branchial cleft cyst
malignant thyroid nodule? hot or cold??
cold nodule
Parathyroid glands control the release and absorption of which nutrient?
calcium
A normal lymph node will not measure greater than:
10mm
hypercalcemia is associated with?
parathyroid adenoma
Describe the normal appearance of a cervical lymph node?
a hypoechoic, oblong structure with a distinct echogenic hilum
Which abnormality is associated with the sonographic finding of a thyroid inferno?
graves disease
All of the following are sonographic finding of malignant thyroid nodules except: A) internal calcifications B)echogenic mass C)cervical node involvement D)solitary mass
echogenic mass
All of the following are diagnostic finding of benign thyroid nodules except: A. anechoic mass B. eggshell calcifications C. hyperechoic mass D. cold nodule
cold nodule
Which of the following is the most common form of thyroid cancer? A. follicular B. anaplastic C. lymphoma D. papillary
Lymphoma
What is the most common cause of hypothyroidism?
hashimoto thyroiditis
All of the following are sonographic finding of an abnormal lymph node except: A. rounded shape B. echogenic hilum C. calcifications D. enlargement
Echogenic calcification
What is the most common cause of hyperthyroidism ?
Graves disease
A 30 year old patient presents tot he sonography department for a thyroid sonogram with a history of weight loss, hair loss, and hyperthyroidism. You note that the patient has bulging eyes. What is the most likely diagnosis?
Graves disease
The fluid produced by the thyroid gland that contains thyroid hormones is referred to as?
Colloid
In the presence of Hashimoto thyroiditis, the thyroid produces?
too few thyroid hormones
The thyroid gland utilizes what to produces its hormones?
iodine
Which muscles are located posterior to each thyroid lobe?
longus colli
Which muscles are located lateral to each thyroid lobe?
sternocleidomastoid
What structure may be confused for a thyroid or parathyroid mass because of its relationship to the trachea and the posterior aspect of the left thyroid gland?
Esophagus
Which vascular structure is located closest to the thyroid lobes?
internal carotid artery (but Erin’s test says common carotid)
A thyroid isthmus that measures greater than____ is indicative of thyroid enlargement?
10mm
Which muscles are located anterior to the thyroid gland?
strap
What is the first branch of the external carotid artery?
superior thyroid artery
All of the following are hormones produced by the thyroid except? A. thyroxine B. iodine C. triiodothyronine D. calcitonin
iodine
Which of the following is the hormone that is the most abundantly produced by the thyroid?
thyroixine