Chapter 7: The Urinary Tract Flashcards
a cystic disease of the kidney that is often the result of chronic hemodialysis
acquired renal cystic disease
an inflammation of the kidney or kidneys
acute pyelonephritis
damage to the tubule cells within the kidneys that results in renal failure
acute tubular necrosis
an excess of urea or other nitrogenous compounds in the blood
azotemia
a measure of the amount of nitrogen in the blood in the form of urea
blood urea nitrogen (BUN)
a chronic inflammation of the kidney or kidneys
chronic pyelonephritis
an extension of the renal cortex located between the renal pyramids
columns of Bertin
the dilation of the renal collecting system at birth
congenital hydronephrosis
the accumulation of calcium within the cortex of the kidney
cortical nephrocalcinosis
the muscle that controls the appropriate emptying of the urinary bladder
detrusor muscle
the formation of air within the kidney parenchyma secondary to bacterial infiltration
emphysematous pyelonephritis
the fibrous envelope of tissue that surrounds the kidney and adrenal gland
Gerota fascia
the dilation of the renal collecting system resulting from the obstruction of the flow of urine from the kidney(s) to the bladder; also referred to as pelvocaliectasis
hydronephrosis
abnormally high levels of potassium in the blood
hyperkalemia
carcinoma of the kidney; also referred to as renal cell carcinoma
hypernephroma
an inherited renal disease that results in bilateral enlargement of the fetal kidneys and microscopic renal cysts; also referred to as autosomal recessive polycystic kidney disease
infantile polycystic kidney disease
an enzyme found within the blood that may be used to monitor renal function; may also be used as a tumor marker for some ovarian tumors
lactate dehydrogenase
the accumulation of calcium within the medulla of the renal parenchyma
medullary nephrocalcinosis
a congenital disorder characterized by the accumulation of calcium within the abnormally dilated collecting ducts located within the medulla
medullary sponge kidney
a renal disease thought to be caused by an early renal obstruction; leads to the development of multiple noncommunicating cysts of various sizes in the renal fossa
multicystic dysplastic kidney disease
the most common solid malignant pediatric abdominal mass; a malignant renal mass that may also be referred to as a Wilms tumor
nephroblastoma
an accumulation of calcium within the renal parenchyma
nephrocalcinosis
the functional unit of the kidney
nephron
a kidney disorder caused by damage to the glomeruli, which results in excess amounts of protein in the urine and the swelling of the ankles, face, and feet due to accumulation of excess water
nephrotic syndrome
a bladder that is poorly functioning secondary to any type of neurological disorder
neurogenic bladder
a scant or decreased urine output
oliguria
a benign renal tumor that is often found in men in their 60s
oncocytoma
a benign, solid adrenal tumor associated with uncontrollable hypertension
pheochromocytoma
the condition of having pus within the collecting system of the kidney
pyonephrosis
pus within the urine
pyuria
a benign renal mass
renal cell adenoma
the carcinoma of the kidney; also referred to as hypernephroma
renal cell carcinoma
a sharp pain in the lower back that radiates into the groin and is typically associated with the passage of a urinary stone through the ureter
renal colic
the outer part of the renal parenchyma that is responsible for filtration
renal cortex
a benign renal mass that consists of blood vessels
renal hemangioma
a collection of blood on or around the kidney typically associated with some form of trauma
renal hematoma
a fatty tumor on the kidney
renal lipoma
the inner part of the renal parenchyma that is responsible for absorption
renal medulla
cone-shaped structures located within the renal medulla that contains part of the nephron
renal pyramids
the portion of the kidney containing the minor calices, major calices, renal pelvis, and infundibulum
renal sinus
a disease characterized by the buildup of fibrous tissue within the retroperitoneum; this mass may involve the abdominal aorta, IVC, ureters, and sacrum
retroperitoneal fibrosis
the combination of slow systolic upstroke and a decreased systolic velocity
tardus-parvus
muscular bundles
trabeculae
a malignant tumor of the urinary tract that is often found within the urinary bladder or within the renal pelvis
transitional cell carcinoma
the area within the urinary bladder where the two ureteral orifices and urethral orifice are located
trigone of the urinary bladder
a systemic disorder that leads to the development of tumors within various organs
tuberous sclerosis
an abnormality in which the distal ureter projects into the urinary bladder
ureterocele
a localized collection of urine
urinoma
a urinary stone
urolithiasis
the retrograde flow of urine from the urinary bladder into the ureter
vesicoureteral reflux
a radiographic examination that involves the assessment of the urinary bladder and distal ureter for urinary reflux and other abnormalities
voiding cystourethrogram
an inherited disorder characterized by tumors of the central nervous system and the development of cysts within the kidneys, renal cell carcinoma, and pheochromocytoma
von Hippel-Lindau syndrome
a rare chronic form of pyelonephritis that is typically the result of a chronic obstructive mass
xanthogranulomatous pyelonephritis
the functional unit of the kidney
nephron
the kidneys initially develop within the pelvis and ascend into their normal position by _ weeks gestation
9
most common location of an ectopic kidney
pelvis
4 coverings of the kidney
pararenal fat layer
Gerota’s fascia
perirenal fat layer
renal capsule
2 parts of the kidney
renal parenchyma
renal sinus
2 parts of the renal parenchyma
renal medulla
renal cortex
the renal medulla is responsible for __________ and includes the ____________
absorption
renal pyramids
the renal cortex is responsible for __________
filtration of the blood
4 components of the renal collecting system contained in the renal sinus
minor calices
major calices
renal pelvis
infundibula
the renal arteries are branches of the ____________ that are located just below the level of the _____________
abdominal aorta
SMA
which renal vein is longer?
left
which renal artery is longer?
right
what 3 things may be utilized in blood tests for renal function?
blood urea nitrogen (BUN)
creatinine
lactate dehydrogenase (LDH)
an elevation in either BUN or creatinine indicates some form of what?
renal disease
typical measurements for kidneys
8-13 cm in length
2-3 cm in AP
4-5 cm in width
most common cause of acute renal failure
acute tubular necrosis
Clinical findings: elevated BUN and creatinine oliguria hypertension leukocytosis hematuria edema hypovolemia
acute renal failure
Sonographic findings:
normal kidneys
may appear more echogenic
acute renal failure
most common cause of chronic renal failure
diabetes mellitus
Clinical findings: diabetes mellitus malaise elevated BUN and creatinine fatigue hypertension hyperkalemia
chronic renal failure
Sonographic findings:
small, echogenic kidneys
loss of normal corticomedullary differentiation
renal cysts may be seen as well
chronic renal failure
most common renal mass
simple cyst
4 locations of renal cysts
peripelvic - originate from the renal sinus
parapelvic - originates in the renal parenchyma and protrudes into the renal sinus
cortical - located within the cortex
exophytic - project out away from the kidney
Clinical findings:
asymptomatic
may have pain
simple renal cyst
Sonographic findings: spherical anechoic mass smooth walls posterior acoustic enhancement no internal echoes
simple renal cyst
if a cyst does not meet all of the criteria for a simple renal cyst, it is a __________
complex renal cyst
autosomal dominant polycystic kidney disease usually shows up in what decades of life?
third or fourth