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Renal Failure and Transplant
For diagnostic medical sonography students. Only study term first, then definition. More of a Q&A than term/definition.
75
Medical
Undergraduate 4
02/02/2009

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Cards

Term
Renal failure prevents what action of the blood?
Definition
normal removal of waste (accumulated metabolites)
Term
What three areas of the kidney can renal failure occur?
Definition
prerenal, intrarenal, postrenal
Term
Two main reasons for intrarenal causes of renal failure.
Definition
1. parenchymal disease 2. chronic infections
Term
What are post renal causes for renal failure?
Definition
obstructive uropathy, stones, masses, and strictures
Term
Kidney length and echogenicity in renal failure.
Definition
Less than 8 cm, echogenic
Term
Why does the parenchyma become echogenic in renal failure?
Definition
fibrosis and scarring
Term
What signifies acute renal failure?
Definition
oliguria
Term
Two main causes of acute renal failure.
Definition
1. parenchymal disease 2. renal vein thrombosis
Term
Sonographic appearance of acute glomerulonephritis.
Definition
enlarged echogenic kidneys
Term
Four associations of acute glomerulonephritis.
Definition
1. nephrotic syndrome 2. anemia 3. hypertension 4. peripheral edema
Term
Acute interstital nephritis is associated with what three things?
Definition
1. infection 2. scarlet fever 3. diptheria
Term
Most comon medical cause of acute renal failure.
Definition
acute tubular necrosis
Term
True or False. acute tubular necrosis can be reversed.
Definition
true
Term
Sonographically, acute tubular necrosis appears like what other pathology?
Definition
nephrocalcinosis, medullary sponge kidney
Term
What type of patients usually have lupus nephritis?
Definition
Females, age 20-40, with lupus erythematosus
Term
What does lupus nephritis look like sonographically?
Definition
echogenic and atrophied kidneys
Term
Three types of renal function loss in chronic renal disease
Definition
1. destruction of nephron 2. renovascular disorder 3. obstructions and parenchymal disease
Term
Appearance of kidneys in chronic renal disease
Definition
diffusely echogenic with loss of normal anatomy
Term
What does sickle cell nephropathy include?
Definition
glomerulonephritis, renal vein thrombosis, papillary necrosis
Term
What disease is caused by uncontrolled hypertension, leading to renal damage?
Definition
hypertensive nephropathy
Term
What occurs second to renal atrophy?
Definition
sinus lipomatosis
Term
Common term used to describe infected kidney.
Definition
acute pyelonephritis
Term
Type of infection that can travel to the blood.
Definition
abscess
Term
Another name for pyelonephritis
Definition
renal carbuncle
Term
What is a renal carbuncle?
Definition
abscess in renal parenchyma
Term
What type of patients are at risk fo developing a renal abcess?
Definition
diabetes, UTI, infected renal stone, immune compromised patients, IV drug users, chronic disease
Term
Type of infection that is outside of the parenchyma and can surround the kidney.
Definition
perinephric abscess
Term
Air in the parenchyma with gas forming a parenchymal infection
Definition
emphysematous pyelonephritis
Term
True or False. Emphysematous pyelonephritis is life-threatening.
Definition
true, especially for diabetics
Term
Emphysematous pyelonephritis is more common in what types of patients?
Definition
female and diabetic
Term
What makes scanning an emphysematous pyelonephritic kidney difficult?
Definition
Air and gas in the kidney creates dirty shadows
Term
Air in the urinary collecting system.
Definition
emphysematous pyelitis
Term
Pus in the obstructed renal system.
Definition
pyonephrosis
Term
What type of pyonephrosis has the highest mortality rate?
Definition
severe urosepsis (50%)
Term
What causes pyonephrosis in a young child? elderly patient?
Definition
UPJ obstruction; malignant ureteral obstruction
Term
Associated with chronic infection; causes desruction of renal parenchyma with replacement by lipid macrophages
Definition
xanthogranulomatous pyelonephritis
Term
XGP is associated with what diseases? what patients?
Definition
nephrolithiasis and obstructive nephropathy; female and diabetic
Term
Sonographic appearance of XGP
Definition
large non-functioning kidney, staghorn calculus, multiple infections
Term
Sonographic appearance of papillary necrosis.
Definition
fluid filled spaces around the pyramids; sloughed papilla can calcify and mimic stones
Term
Fungal infection that most commonly affects renals.
Definition
candida albicans
Term
Sonographic appearance of candida albicans.
Definition
small multiple abscesses, perinephric extension, and mobile echogenic fungal balls
Term
When do kidneys lose normal appearance with shistosomiasis?
Definition
late in disease
Term
In echinococcus hydatid disease, what may form in the hydatid fluid?
Definition
"hydatid sand"
Term
What parasitic disease s transmitted by mosquitoes, later developing elephantitis, chylous ascites, and chyluria?
Definition
filariasis
Term
What causes tumors in an AIDS kidney?
Definition
Karposi's, sarcoma, lymphoma
Term
Most common cause of infectious cystitis in women? men?
Definition
rectal flora; outlet obstruction or prostatitis
Term
Sonographically, what do we see different in a bladder with infectious cystitis?
Definition
wall thickening
Term
Granulomatous infection of bladder mainly affecting women in their 60's.
Definition
malakoplakia
Term
Sonographically: thickened bladder wall, echogenic foci with ring down or dirty shadowing
Definition
emphysematous cystitis
Term
Symptoms of emphysematous cystitis.
Definition
pneumaturia and gangrene
Term
What type of fistulas are related to GYN or urological surgery?
Definition
vesicovaginal
Term
What type of fistulas are related to diverticulitis and Crohn's disease?
Definition
vesicoenteric
Term
What type of fistulas are related to hysterectomy?
Definition
vesicoureteral
Term
Unilateral or bilateral dilated renal pelvics and calyx due to obstruction.
Definition
Hydronephrosis
Term
Three criteria of hydronephrosis
Definition
1. renal cortex around cystic area 2. connect cysts to renal pelvis 3. dilated ureter may be presnt
Term
What type of hydronephrosis can be repaired?
Definition
obstructive
Term
What type of diabetes can cause pseudohydronephrosis?
Definition
insipidus
Term
Ureteral jets are present in which type of hydronephrosis?
Definition
non-obstructive
Term
Most common location of renal calculi
Definition
UVJ
Term
Stones will pass spontaneously if less than what size?
Definition
5 mm
Term
What causes dystrophic nephrocalcinosis?
Definition
hypercalcemia
Term
Major cause of proximal renal arterial stenosis.
Definition
arteriosclerosis
Term
Major cause of mid-distal renal arterial stenosis.
Definition
fibromuscular hyperplasia
Term
Cessation of blood supply causes necrosis of tissue; can be confused with junctional defect.
Definition
renal infarction
Term
Bladder infection with stasis of urine and incomplete emptying.
Definition
cystitis
Term
95% of bladder tumors
Definition
transitional cell carcinoma
Term
Most common form of urinary obstruction in male infants
Definition
posterior urethral valve
Term
Ages of the best kidney transplant recipients.
Definition
14-45
Term
Which kidney is usually removed from the donor?
Definition
left kidney
Term
True or false. Swelling in the early transplant is abnormal, even if it regresses.
Definition
false
Term
What is the major problem in transplants?
Definition
graft rejections
Term
Most common vascular problem in renal transplants.
Definition
renal artery stenosis
Term
Usually result of loss of blood to kidney before, during, or after transplant
Definition
acute tubular necrosis
Term
If there is a change in urine output in a transplant kidney, what do you increase?
Definition
creatinine
Term
reaction to antirejection drug
Definition
cyclosporine toxicity
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