Imaging of the urinary system Flashcards
1
Q
How big are the kidneys?
A
10-12cm and 120-170g
2
Q
What age do the kidneys grow until?
A
increase in size until the age of 20
3
Q
5 indications for renal imaging
A
haematuria flank pain and renal stone disease suspected renal mass UTI's hypertension
4
Q
CT use in renal imaging
A
stones, tumours and staging
investigating haematuria
5
Q
Contrast and spatial resolution in CT
A
good spatial
poor contrast
6
Q
MRI uses in renal imaging
A
tumours, cysts and anatomical abnormalities
7
Q
Contrast and spatial resolution MRI
A
good contrast
poor spatial
8
Q
Disadvantages of MRI
A
poor for renal stones
contrast reactions
CI eg pacemaker
9
Q
What is USS limited by?
A
fat and gas
cannot see ureters
10
Q
When would a US Doppler be used?
A
post transplant
renal artery stenosis
11
Q
DMSA use
A
renal scarring
12
Q
MAG-3 use
A
renal function
drainage
13
Q
Use of micturating cystourethrography
A
Vesico-ureteric reflux and its grade
