Radiology Flashcards
1
Q
what imaging modality can be used to visualise the pituitary gland?
A
MRI
2
Q
where is the pituitary gland found?
A
sella turcica connected to the brain via the pituitary stalk and closely related to the sphenoid sinus
3
Q
what imaging modalities are used to visualise the thyroid?
A
US
CT
nuclear medicine
4
Q
what does thyroid scintigraphy use?
A
I-123 or Tc99m
5
Q
are the adrenal glands retroperionteal?
A
yes
6
Q
what can be used to visualise the adrenal glands?
A
CT
MRI
7
Q
phaeochromocytoma 10%
A
10% extra-adrenal bilateral children familial not associated with hypertension
8
Q
how does cartilage become bone?
A
endochondral ossification
9
Q
appearance of lytic bone destruction
A
medullary lucency
loss of trabeculae
loss of cortices
potential for fracture
10
Q
appearance of sclerotic bone formation
A
subtle medullary density loss of trabeculae spreading zone of density expansion beyond normal limits with cortical destruction risk of fracture
