Urology Flashcards
How might the position of patient differ in someone with renal colic versus abdominal pain?
renal colic- cannot find comfortable position therefore rolling around
abdo pain- staying still in one position
List two sites of stone impaction
PUJ
Pelvic brim
VUJ
How can struvite stone present?
recurrent UTIs
malaise
weakness
loss of appetite
List three differential diagnoses for renal colic
Acute abdo- gallstones, pancreatitis, AAA
Pyelonephritis
Bacterial cystitis
Gynae
Referred pain- orchitis
Chest- lobar pneumoni, rib fractures
Which imaging do you do for renal colic? (the most sensitive investigation)
Non-contrast CT KUB
What does radio-opaque mean?
presence of calcium within the stone
List one radioopaque stone
ca phosphate
ca oxalate
List one radiolucent stone= transparent
uric acid
(struvite stone= infection, cystine are relatively radiolucent)
Which co-infection is indinavir stones associated with?
HIV
What is the treatment for renal stones?
Analgesia- NSAIDs, opiates
Alpha blockers
Stent or percutaneous nephrostomy tube
surgery
List two indications for intervention to remove stone?
pain unresponsive for analgesia
related fever
renal function impairment
obstruction unrelieved >4 weeks
What is the first intervention for kidney stone?
shock wave therapy- ESWL
If ESWL fails, what is the next option?
PCNL- percutaneous nephrolithonomy
What is one indication for ESWL?
pregnancy
pacemaker
distal obstruction
uncorrected coagulopathy
Name one indication for PCNL
staghorn calculi
stone >2cm
multiple stones