What is true concerning Tc-99m DTPA?
Its uptake by glomerular filtration is almost 100%
It helps evaluate cortical structure and morphology
It provides a static picture of kidneys when compared to MAG3
it binds to the sulfhydryl groups in proximal tubules resulting in much higher resolution pinhole SPECT imaging
Correct Answer :
A. Its uptake by glomerular filtration is almost 100%
apart from a, all options describe DMSA.
Related Questions
Using CT scanning, which solid kidney mass is sharply demarcated with uniform enhancement and often has a central scar?
RCC
metastases
angiomyolipoma
oncocytoma
What is true concerning Tc-99m DTPA?
Its uptake by glomerular filtration is almost 100%
It helps evaluate cortical structure and morphology
It provides a static picture of kidneys when compared to MAG3
it binds to the sulfhydryl groups in proximal tubules resulting in much higher resolution pinhole SPECT imaging
What is the emergency treatment of intravenous contrast allergy?
epinephrine
atropine
hydrocortisone
antihistamine
What is false concerning ureteric jets?
obstruction of the upper urinary tract may increase renal pelvis pressure and delay or decrease pelvis peristaltic rates
measured by color Doppler flow mapping in transverse scans at the suprapubic region
patients with ureteral stents are the ideal
adequate hydration is necessary
What is correct concerning sound waves?
The higher the frequency, the deeper tissue penetration
The higher the frequency, the better the axial resolution
low-frequency transducers are of 6 to 10 MHz
the deeper tissue penetration, the better axial resolution
Which of the following is NOT an indication of renal arteriography?
preparation for donor nephrectomy
advanced RCC in the right kidney
renal artery stenosis
oncocytoma in the left kidney
What matter does correspond to zero Hounsfield units?
air
water
fat
bone
What is the signal characteristic of renal stones on MRU?
high signal on T1-weighted images
high signal on T2-weighted images
low signal on T1-weighted images
none of the above
Ultrasonic waves, in nature, are:
mechanical waves
radar waves
microwaves
radio waves
What nuclear medicine study can diagnose interstitial nephritis?
DTPA
DMSA
gallium-67
MAG-3
How does a full bladder appear on ultrasonography?
hyperechoic
hypoechoic
isoechoic
anechoic
What is (are) the indication(s) of renal artery embolization?
bleeding angiomyolipomas
an alternative to nephrectomy in severe uncontrolled hypertension among patients with end-stage renal disease
renal artery aneurysms or symptomatic AV malformations
all of the above
Which statement is true concerning renal ultrasonography?
end-stage renal failure kidneys look small and hypoechoic
it is more accurate on diagnosing cystic lesions than solid masses
it is able to detect tumors as small as 2 mm
cortical carbuncle might be mistaken for hydronephrosis
Which structure can NOT be assessed by TRUS of the prostate?
ejaculatory duct
vas deferens
seminal vesicles
rectal wall
What is the poorest method of measuring the amount of urine in the bladder of a 65 yrs. old man?
using bladder scanner
measuring the voided urine
using abdominal ultrasonography
performing urinary catheterization
Which statement is false concerning plain KUB film?
reliable tool to exclude urinary calculi
calcifications at renal area might lead to the discovery of renal cancers
can detect soft tissues
fecoliths and phleboliths could be mistaken for calculi
Which statement is false regarding magnetic resonance urography (MRU)?
small non-obstructive calculi might be missed at MRU performed for the evaluation of hematuria
in pediatrics, performing a dynamic contrast-enhanced imaging helps in evaluating crossing vessels in the setting of UPJ obstruction
the success of static-fluid MR urography depends on the presence of fluid within the urinary system regardless of renal function
MRU at 3T, carries the risk of nephrogenic systemic fibrosis
Which statement concerning phlebolith is false?
can be mistaken for a ureteral stone
is a small single, usually spiky, calcification within a vein
the amount of phleboliths increases with age
appears more often on the left than on the right side of the pelvis
What is (are) the characteristic finding(s) of testicular torsion on color Doppler ultrasonography?
the classic blue dot sign
thick, short, edematous spermatic cord
absence of intratesticular blood flow
increased epididymal blood flow
Which condition tops the differential diagnoses list of CT picture of Xanthogranulomatous pyelonephritis?
renal tuberculosis
renal abscess
renal cell carcinoma
angiomyolipoma
Which ultrasound mode is able to depict motion direction and flow velocity?
grey-scale
simultaneous bilateral views
color Doppler
power Doppler
On sagittal plane of midline TRUS, which structure might NOT be visible?
peripheral zone of the prostate
ejaculatory duct
tip of the right seminal vesicle
tip of the left lateral lobe of the prostate
Using CT scanning, which solid kidney mass is well-defined, heterogeneous tumor, located in the renal cortex and containing areas of fat density of -20 HU or less. No calcifications, but some areas of enhancement?
RCC
metastases
angiomyolipoma
oncocytoma
What is the hallmark finding on plain KUB of bladder exstrophy?
malunion of lumbar and/or sacral vertebral bodies
pelvic bone diastasis
sacral agenesis
fracture of anterior pubic rami
Using ultrasonography, which testicular lesion is of low reflectivity with irregular borders, hypervascular rims but no internal vascularity to mention?
intratesticular hematoma
testicular abscess
orchitis
sex cord stromal tumors
What imaging modality is superior in detecting undescended testis in the abdomen?
MRI
CT
ultrasound
all are comparable
Which condition does NOT show a false negative result for hydronephrosis on ultrasonic examination?
forniceal rupture
drained renal pelvis
high urine output
acute obstruction
Which condition could present as a filling defect in the bladder on IVU study?
blood clot
fibro-epithelial polyp
sloughed renal papilla
all of the above
Which of the following is NOT an indication of retrograde pyelography?
evaluation of probable ureteral obstruction
in conjunction with ureteroscopy
evaluation of hematuria
evaluation of probable ureterovesical reflux
Using CT, which solid kidney mass is like a bulge of the renal contour characterized by normal corticomedullary patterns?
prominent columns of Bertin
xanthogranulomatous pyelonephritis
lymphoma
renal infarction