Urolithiasis Flashcards Preview

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Flashcards in Urolithiasis Deck (15)
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1

What is the MC type of stone?

Calcium oxalate

2

MC cause of calcium oxalate stones?

Dehydration

3

How do calcium oxalate stones show up on a x-ray?

Radio-opaque

4

How do uric acid stones show up on an x-ray?

Radiolucent

5

Struvite/Triple Phosphate stone etiology

UTI

6

How do struvite stones show up on x-ray?

Radio-opaque?

7

Cystine stone etiology

Genetic defect
Autosomal recessive

8

What genome usually forms cystine stones?

Homozygous

9

What are Matrix stones associated with?

Proteus UTI

10

How do Matrix stones show up on a x-ray?

Radiolucent

11

Ammonium acid urate etiology

Associated with UTI and laxative abuse

12

How do ammonium acid rate stones show up on an x-ray?

Radiolucent

13

Protease inhibitor stone etiology

Precipitated drug: Indinavir

14

Urolithiasis clinical presentation

1. Pain: Flank, Colic, Radiation
2. N/V
3. Fevers
4. Hematuria
5. Hyperkinetic

15

What imaging would you order for evaluation of Urolithiasis?

CT Abd/pelvis without contrast