Imaging Flashcards
best imaging for pituitary gland
MRI
where is the pituitary gland found
sella turcica
what lies lateral to pituitary gland
carotid arteries
what can be used to visualise the thyroid
US
CT scan
what is on either side of the thyroid
common carotid arteries
internal jugular veins
what structures are in close relation to the thyroid and are at risk during surgery
recurrent laryngeal nerves
parathyroid glands
how can whether hyperthyroidism is due to diffuse or focal causes be differentiated
combination of radioisotope studies and ultrasound
what can thyroid ultrasound be combined with
FNA
what chemical is used in thyroid scintigraphy
I-123 or Tc 99m
what is used to visualise the adrenal glands
CT
MRI
what does the right adrenal gland lie posterior to
IVC
what does the left adrenal lie lateral to
aorta
what are the terms used to describe neoplastic involvement of the bone
Lytic (bone destruction)
Sclerotic (bone formation)
what happens in lytic bone destruction
Medullary lucency and loss of trabeculae
Loss of inner cortex (endosteum)
Complete loss of cortex
Loss of both cortices
what is there a potential for in lytic and sclerotic bone destruction
pathological fractures
