What medications do NOT cause renal stones?
ciprofloxacin
indinavir
thiazides
triamterene
Correct Answer :
C. thiazides
thiazides rather help treat hypercalciuria.
Related Questions
What is the most favorable stone characteristics for laparoscopic and robotic approaches for the treatment of a kidney stone?
a stone in the lower calyx with a wide mouth of infundibulum and obtuse lower calyx to ureter angle
a stone in an anterior group calyceal diverticulum with thin overlying renal parenchyma
5 mm calcium-containing stone in an intrarenal pelvis and wide UPJ
6 years post anatrophic nephrolithotomy, recurrent mid calyceal stone
What is the preferred irrigation fluid during PCNL?
physiological saline 0.9%
glycine 1.5%
balanced salt solution
distilled water
What sequence of ureteral parts represents the most to least favorable stone response to ESWL treatment?
upper, lower, mid
lower, upper, mid
mid, upper, lower
mid, lower, upper
What could carry the least risk of colon injury during PCNL?
subcostal puncture performed during full expiration
previous open nephrolithotomy
access lateral to the posterior axillary line
horseshoe kidney
Worldwide, the commonest type of urinary stones is:
calcium monohydrate
calcium oxalate
ammonium urate
none of the above
What type of stones do laxative abusers might develop?
ammonium urate
sodium urate
calcium oxalate
calcium phosphate
What is the most appropriate antibiotic class for prophylaxis before urologic surgery?
aminoglycosides
macrolides
cephalosporins
fluoroquinolones
What type of stones is soft, resilient, composed of mucoproteins of urine and serum?
matrix
indinavir
brushite
2,8 dihydroxyadenine
What is true regarding prostatic stones?
they are multiple and small in size
usually, they are voided spontaneously
they, rarely, form large stones within the peripheral zone
contrast CT is the conventional method for diagnosis
What medications do NOT cause renal stones?
ciprofloxacin
indinavir
thiazides
triamterene
What is the least serious complications of PCNL?
uncontrollable bleeding
incomplete removal of stones
pneumothorax
colonic perforation
Why do patients with cystic fibrosis form stones?
because urine and body secretions are highly concentrated
due to renal leak hypercalciuria
as a result of distal renal tubular acidosis type I
because of reduced or absent of oxalobacter formigenes colonization
What type of urinary diversion carries the highest risk of stone formation?
Kock pouch
Neobladder-to-urethra diversion
Florida pouch
Indiana pouch
Which of the following factors, positively, affect lower calyceal stone clearance after ESWL?
short and wide infundibulum
large lower-pole infundibulo-pelvic angle
the adjunct usage of PCNL
all of the above
What is the favorable stone characteristic for ESWL treatment?
1000 - 1300 HU density
5 - 10 mm diameter
lower calyx location
mid ureteral location
What is true regarding a stone in a urethral diverticulum?
is symptomless
should undergo a trial of milking out
diverticulectomy and stone extraction is the treatment of choice
ESWL is the preferred treatment option
What is the composition of brushite stones?
calcium phosphate
calcium oxalate monohydrate
sodium urate
2,8 dihydroxyadenine
For how long a completely obstructed ureter could be respited with no expected permanent damage to renal functions?
2 days
2 weeks
2 months
4 6 hrs.
What is the most common organism that might complicate PCNL?
Proteus mirabilis
E. coli
Pseudomonas aeruginosa
Staphylococcus epidermidis
What is false regarding DJ ureteral stents?
can be introduced from the bladder or kidney or any part of the ureter`s course
the standard adult size is 32 cm long, 4 mm calibre
might result in encrustations and ureteral obstruction
might result in ureteral dilation
ESWL in pediatric patients is characterized by all of the following, EXCEPT:
often need sedation or anesthesia
vesico-ureteral reflux must be excluded
pediatrics have a higher clearance rate of stones when compared to adults
safety measures must be taken to avoid lung contusions
What are the expected findings on urinalysis in patients with acute renal colic?
blood cells more than pus cells
pus cells if infection was superadded
crystals might appear
all of the above
What kind of stones is most amenable to ESWL?
cystine
brushite
Ca.oxalate monohydrate
Ca.oxalate dihydrate
What could high dietary protein result in?
increase urinary calcium, oxalate, and uric acid excretion
decrease urinary calcium; but increase oxalate, and uric acid excretion
increased urinary calcium and uric acid; but decrease oxalate excretion
decreased urinary calcium, oxalate, and uric acid excretion
What is (are) the indication(s) of using DJ ureteral catheters?
to stent the ureter after ureteral surgery
to facilitate stone passage
after a tough ureteroscopy procedure
all of the above
How can the effectiveness of ESWL treatment session be enhanced?
by ensuring optimal coupling of the patient to the lithotripter
by running the treatment at a slower rate (60 shocks/min)
by running the treatment with general anesthesia
by all of the above
Which patient is at lowest risk for the development of perinephric hematoma after ESWL?
hypertensive patient
patient on aspirin withheld 5 days prior to ESWL
a stone in a scared poorly functioning kidney
ESWL every other day
What congenital anomaly is unlikely to result in stone formation?
left ureterocele
bifid right renal pelvis
neurogenic bladder
bilateral UPJ stenosis
During pyelolithotomy for removing a staghorn urate stone; how to ensure a complete removal of calyceal branches?
by performing intra-operative ultrasonography
by performing radial nephrotomies
by performing adjunct PCLN
by taking a scout KUB film
How is primary oxaluria treated?
terminal ilium resection
liver transplantation
kidney transplantation
regular hemodialysis