Urology Flashcards
(4 cards)
1
Q
About uric acid stones??
A
-Radiolucent
-Require USG and CT KUB for diagnosis
-Rx: Hydration, Urine alkalinization, Allopurinol if raised uric acid, Avoid uricosuric meds esp in renal impairment
2
Q
Which stones are radiolucent??
A
Uric acid
Xanthine
3
Q
Which stones are radioOPAQUE?
A
Calcium oxalate
Phosphate/Triple phosphate
CaPO4
{Semi opaque/ground-glass= Cystine}
4
Q
What are staghorn stones??
A
Stag-horn calculi involve the renal pelvis and extend into at least 2 calyces. They develop in alkaline urine and are composed of struvite (ammonium magnesium phosphate, triple phosphate). Ureaplasma urealyticum and Proteus infections predispose to their formation
