Urogenital Surgery Flashcards
what is the most common type of neoplasia in the kidneys of dogs?
renal carcinoma
where does the urinary tract rupture most commonly?
urinary bladder: 55%
what are some causes for urethral obstruction/stricture?
secondary to urinary calculi
spay complication
ectopic ureters
bladder or ureteral cancer
when might a nephrectomy be performed due to pyelonephritis?
unresponsive to medical treatment
what imaging might be performed prior to a nephrectomy?
CT scan
abdominal ultrasonography
thoracic radiographs
what does renal scintigraphy measure?
glomerular filtration rate in each kidney
where should you transect ureters in a nephrectomy?
close to urinary bladder
what are the complications of nephrectomy?
worsening azotemia, uremia
massive hemorrhage
what is the luminal diameter of a cat ureter?
0.4 mm
normal ureters insertion on the trigone is ___ shaped
“J”
what do 30% of cats have with their ureters?
circumcaval ureter on the right
what is the most common cause of ureteral obstruction?
calculi
what does a ureteral obstruction cause?
decreased renal blood flow
decreased GFR
longer duration means less likely to recover
how can you diagnose ureteral obstruction?
abdominal radiographs
abdominal ultrasound
computed tomography
where do calculi usually get stuck in the ureter?
proximal and middle ureter
what are the options for surgery on a ureteral obstruction?
ureterostomy
ureteroneocystostomy (resection and re-implantation)
what are the complications of ureteral stents?
reobstruction- encrustation
dislodgement
pollakiuria/dysuria
what are the complications of subcutaneous ureteral bypass?
obstruction/encrustation
leakage
kinking
persistent UTI
are ectopic ureters more common in dogs or cats?
dogs
what are the types of ectopic ureters?
intramural
extramural
double ureteral opening
ureteral trough
what are the surgical options for intramural ectopic ureters?
cystoscopy guided laser ablation
neoureterostomy
ureteroneocystostomy (resection and reimplantation)
what are the urinary bladder problems that would require surgery?
urocystoliths
urinary bladder rupture
urinary neoplasia
what is the most common type of urocystolith in female dogs?
struvite
do prophylactic antimicrobials impact culture results of samples collected during cystotomy for cystic calculi removal?
no