Urinary System Flashcards
Most common abdominal mass in NEWBORNS
MCDK
Is MCDK usually unilateral or bilateral?
Unilateral
Is ADPKD bilateral or unilateral?
Bilateral
40% of these patients also have polycystic liver disease
ADPKD
This is associated with berry aneurysms.
ADPKD
Most common cause of acute kidney injury/ acute renal failure…
Acute tubular necrosis
Most common renal mass
Simple cyst
Most common cause of chronic renal failure
Diabetes
People with this disease have an increased risk of renal cysts and angiomyolipomas
Tuberous sclerosis
Most common NEONATE/INFANT renal tumor
Mesoblastic nephroma
Leading cause of kidney transplants
Diabetes
Albrights/ Anderson-Carr disease is also known as…
Nephrocalcinosis
Hyperechoic medullary pyramids…
Medullary Sponge Kidney
Due to chronically failed kidneys during long term HEMODIALYSIS/DIALYSIS.
-At risk for RCC
Acquired Cystic Disease
Imaging patients with Von Hippel-Lindau disease should focus on…
Kidneys, adrenals, pancreas
Most common bladder neoplasm
TCC(transitional cell carcinoma)
Most common sign of TCC
Hematuria
Most common solid renal mass in adult
Renal cell carcinoma (RCC)
Renal Cell Carcinoma AKA’s
- Hypernephroma
- adenocarcinoma of kidney
When scanning patients with RCC, check for tumor extension in—
Renal veins and IVC
With RCC, ____ is the most common site of metastases
The lungs
Angiomyolipoma: __% involve the ___ kidney
80% in the RIGHT kidney
Angiomyolipomas are typically (bilateral or unilateral) in patients with tuberous sclerosis
Bilateral
Characterized by tumors and/or cysts of central nervous system
Von Hippel-Lindau
Most common CHILDHOOD renal tumor
Wilms/nephroblastoma
Wilms tumor is associated with:
Beckwith-Weidemann syndrome
If normal renal contour is maintained, an abdominal mass is most likely: (Wilms tumor or Neuroblamsoma)
Neuroblastoma
Diminished sinus echoes, loss of corticomedullary distinction may indicate
Acute pyelonephritis
Focal pylonephritis is also called
- Acute focal bacterial nephritis
- Lobar nephronia
More commonly occurring in DIABETICS, women, air/gas in kidney, unilateral, enlarged, hypoechoic, dirty shadowing
Emphysematous pyelonephritis
Staghorn calculus
Xanthogranulomatous pyelonephritis
Ultrasound shows dilated collecting system with debris. Surgical drainage is required for treatment.
Pyonephrosis
Renal injury due to recurrent renal infection
Chronic pyelonephritis
Mycetoma—
Fungal ball
Mycetoma appears:
Hyperechoic, nonshadowing, typically in renal pelvis
Most common infectious cause of acute glomerulonephritis
Strep (Streptococcus)
Most common area of obstruction for renal stone
UVJ
A resistive index of greater than ___ is suggestive of obstructive hydronephrosis
> 0.7
Bilateral hydronephrosis suggests
Obstruction at the level of or distal to the bladder. (PUV, ureterocele)
Megaureter measures:
> 7mm
Most common cause of nephrocalcinosis in adults
Primary hyperparathyroidism
Ischemia of the medullary pyramids and papillae
Papillary necrosis
Bright echoes seen at the base of pyramids—
Papillary necrosis
Increased sinus fat that replaces normal renal parenchyma
Renal sinus lipomatosis
Increased sinus echoes with cortical thinning
Renal sinus lipomatosis
Nondistended bladder wall thickness:
< 5 mm
Distended bladder wall thickness:
< 3 mm
Cystic structure superior and anterior to bladder
Urachal cyst
Ureteroceles most commonly found in association with:
Complete ureteral duplication
Renal artery/ Aorta ratio(RAR) in a stenosis:
> 3.5
Most common CHILDHOOD adrenal mass
Neuroblastoma
Most common NEONATE adrenal mass
Adrenal hemorrhage
Inflammation of the bladder
Cystitis
Most common congenital anomaly of the urinary tract
Duplicated collecting system
Analgesic abuse is the most common cause of what renal abnormality?
Papillary necrosis
Arteries that course parallel to renal capsule. Separate the medulla from the cortex
Arcuate
Arteries that course between the pyramids
Interlobar
Arteries that course perpendicular to renal capsule, entering parenchyma
Interlobular
Cyst that originates in parenchyma and bulges into the central sinus, doesn’t connect to collecting system
Parapelvic
Cysts in the central sinus
Peripelvic
Chronic/Acute pyelonephritis is more common in women or men?
Women