Week 1- Imaging of UT Flashcards Preview

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

What are the disadvantages of USS?

A

-Highly operator dependant

2
Q

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

A

-Fat around the kidneys

3
Q

When can you see the ureter?

A

-When it is calcified

4
Q

Why do you use CT scan on kidneys?

A
  • Identify stones in calyces

- Identify tumours and staging

5
Q

When do you use MRI?

A
  • Local staging of tumours

- To differentiate between fluids, solids and blood

6
Q

What is the purpose of an MR angiogram?

A

-Identify Stenosis or aneurysm

7
Q

What is an ectopic ureter?

A

-Ureter terminates at a site other than bladder eg urethra

8
Q

What is a horseshoe kidney?

A
  • Kidneys touch during ascent and join together then carry on ascending
  • Get stuck underneath IMA
9
Q

What is crossed renal ectopia?-

A

-Two kidneys on one side

10
Q

What is the purpose of a micturating cystogram?

A

-Identify leaks and refluxes

11
Q

What is the purpose of a urethrogram?

A

-Look for strictures

12
Q

What is a DMSA Scan?

A
  • Nucleotide marker used to visualise kidney -> linked to radioactive isotope
  • Visualises function via clearance
13
Q

What are the advantages of USS?

A
  • Cheap
  • Quick
  • Differentiate between fluid and solid abnormalities