Week 1- Imaging of UT Flashcards Preview

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Flashcards in Week 1- Imaging of UT Deck (13):
1

What are the disadvantages of USS?

-Highly operator dependant

2

Why can you visualise kidneys on a plain x-ray?

-Fat around the kidneys

3

When can you see the ureter?

-When it is calcified

4

Why do you use CT scan on kidneys?

-Identify stones in calyces
-Identify tumours and staging

5

When do you use MRI?

-Local staging of tumours
-To differentiate between fluids, solids and blood

6

What is the purpose of an MR angiogram?

-Identify Stenosis or aneurysm

7

What is an ectopic ureter?

-Ureter terminates at a site other than bladder eg urethra

8

What is a horseshoe kidney?

-Kidneys touch during ascent and join together then carry on ascending
-Get stuck underneath IMA

9

What is crossed renal ectopia?-

-Two kidneys on one side

10

What is the purpose of a micturating cystogram?

-Identify leaks and refluxes

11

What is the purpose of a urethrogram?

-Look for strictures

12

What is a DMSA Scan?

-Nucleotide marker used to visualise kidney -> linked to radioactive isotope
-Visualises function via clearance

13

What are the advantages of USS?

-Cheap
-Quick
-Differentiate between fluid and solid abnormalities