CH.6 Urinary System Flashcards
What anatomy is part of the urinary system?
- 2 kidneys
- 2 ureters
- urinary bladder
- Urethra
Function of the kidneys is what?
Filter arterial blood to help regulate water, sodium and electrolytes.
The kidneys lay…
Retroperitoneal
The kidneys are fed by what arteries?
Renal Arteries
The kidneys lay at what vertebral level?
T12-L3
The renal artery and vein, lymphatics, and nerve plexus are part of what area of kidneys?
Hilum
The ureters extend from kidneys to bladder on what plane?
Posterolaterally
What does IVU stand for?
Intravenous Urography
What is the imaging modality of choice for the kidney system?
CT- because of better contrast resolution of abdominal structures
What is the most common exam for lower urinary tract?
Cystography
A cystograph is what type of study?
Retrograde- against the common flow
What is the most common indication for cystography?
Vesicoureterel reflux
This is performed by a urologist during cystoscopy.
Retrograde Pyelography
What is retrograde pyelography used for?
Used to help delineate stones
What is one of the most invasive renal procedures?
Renal Angiography
What are common indications of renal angiography?
- renal cancer
- renal artery stenosis
This is inserted into the renal pelvis and connects outside of the body for drainage to reduce hydronephrosis.
Nephrostomy Tubes
This is placed into the ureters from the renal pelvis and into the bladder, done post obstruction.
Ureteral Stent
This is the most common type of urethral catheter that has a balloon on the end inserted into the bladder where the balloon is then inflated.
Foley Catheter
This is a congenital and hereditary disease in which one kidney, most frequently the left, is not fully developed.
Renal Agenesis
This is a result of renal a genesis.
Compensatory Hypertrophy.
This is a disease in which a 3rd kidney with its own renal artery is present. It can be caused by frequent UTIs.
Supernumery Kidney
This is a kidney that is developed less than normally in size but contains normal nephrons along with opposite side hyperplasia.
Hypoplasia
Hypoplasia is associated with what?
Hypertension and hyperplasia of the renal vessels
This is an overdeveloped kidney often associated with opposite side hypoplasia.
Hyperplasia
Fusion anomalies are most often referred to as what?
Horseshoe Kidney
Most of the time this occurs when the lower poles of each kidney fuse together.
Horseshoe Kidney
This is a common result of fusion anomalies.
Renal Calculi (stones)
This is when one kidney crosses the midline to the opposite side and can fuse with the kidney that is in its correct place.
Crossed ectopy
This is one of the most common position anomalies of the kidneys where one kidney will rotate 180 degrees to the renal pelvis.
Malrotation
Malrotation can cause what to happen to the ureter.
Can cause it to kink
This is when a kidney is out of its normal position.
Ectopic Kidney
What can an ectopic kidney cause?
ureteropelvic junction obstruction
This is a lack of the kidney to drop.
Nephroptosis
THis is a common anomaly that varies from simple bifid pelvis to a completely double pelvis, ureter and ureterovesical orifice.
Duplex Kidney
Duplex Kidney can be complicated by what?
- Obstruction
- Vesicoureteral Reflux
- UTIs
This is a cystic dilation of the distal ureter near its insertion into the bladder. Can be unilateral or bilateral.
Ureterocele
What are the 2 types of ureteroceles?
Simple (adult)
Ectopic (infants)
Ureteroceles are most commonly associated with what?
Duplex Kidneyy
This is a congenital anomaly that may represent a dilated branched ureteric remnant, best demonstrated by retrograde urethrography.
Ureteral Diverticula
What can cause Ureteral Diverticula?
Chronic bladder obstruction causing a mucosal weakening causing an outpouching.