What nuclear medicine study can diagnose interstitial nephritis?
DTPA
DMSA
gallium-67
MAG-3
Correct Answer :
C. gallium-67
the infection seeking nuclear study is Gallium 67 scintigraphy.
Related Questions
How does a full bladder appear on ultrasonography?
hyperechoic
hypoechoic
isoechoic
anechoic
Which radiological modality carries the highest radiation hazard?
nuclear medicine
ultrasonography
X-ray fluoroscopy
intravenous urography
On staging left kidney RCC using enhanced CT, the radiologist must look for:
extension of the tumor to the diaphragm
extension of the tumor to the right atrium
the density of calcifications
the amount and bilaterality of cysts formation
Which of the following is NOT an indication of static cystography?
evaluating a probable bladder rupture
evaluating a probable colovesical or vesicovaginal fistulae
evaluating a probable intravesical pathology
evaluating a probable bladder diverticula
What should type II diabetic patients on metformin do when going for intravenous contrast urography to avoid biguanide lactic acidosis?
take urine acidifiers
withhold metformin the day before the study and restart 48 hrs. later
get premedicated by steroids and antihistamines
decrease metformin dose and turn to insulin
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
How does fluid appear on T2-weighted MR images?
dark
intermediate
bright
none of the above
Which of the following is an indication of VCUG?
repeated febrile UTI in children
evaluating a probable posterior urethral valve
a & b
none 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
What is the optimal time for viewing the renal parenchyma after injecting a contrast material during IVU study?
0 minute
5 minutes
10 minutes
renal parenchyma does not appear on IVU
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 is the emergency treatment of intravenous contrast allergy?
epinephrine
atropine
hydrocortisone
antihistamine
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
What nuclear medicine study can diagnose interstitial nephritis?
DTPA
DMSA
gallium-67
MAG-3
What matter does correspond to zero Hounsfield units?
air
water
fat
bone
Which ultrasound mode is able to depict motion direction and flow velocity?
grey-scale
simultaneous bilateral views
color Doppler
power Doppler
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
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
Regarding acute renal infections, what is the least diagnostic radionuclide study for detecting an inflammatory focus?
hippuran I-131
technetium-99m
gallium-67
indium-111labelled WBC
What imaging modality is superior in detecting undescended testis in the abdomen?
MRI
CT
ultrasound
all are comparable
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
Using ultrasonography, which testicular lesion is described as a solid, round, homogeneous, low-reflectivity tumor mass, with no calcification?
seminoma
embryonal cell tumor
mixed germ cell tumor
epidermoid cyst
Which condition tops the differential diagnoses list of CT picture of Xanthogranulomatous pyelonephritis?
renal tuberculosis
renal abscess
renal cell carcinoma
angiomyolipoma
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
Which statement is false concerning diuretic nuclear scintigraphy renogram?
an elimination T ½ < 10 minutes indicates obstructed system
the diuretic must be given at the maximum kidney activity
If ureteral stents are in place, the bladder catheter must be unclamped
99mTc-MAG3 is the agent of choice to study differential renal function and obstruction
Which of the following is false concerning retrograde urethrogram?
coning at the bulbar urethra is normal
segmental narrowing at bulbar urethra is normal
multiple round filling defects could be air bubbles
indicated in urethral trauma cases
What is false on comparing Tc-99m DTPA to Tc-99m MAG3?
DTPA provides better quality images with renal insufficiency
by giving captopril, MAG3 plasma clearance declines in hypertensive patients with renal artery stenosis but rises in those who do not have the disease
DTPA provides an excellent measurement of GFR
in pediatrics, MAG3 provides better quality images than DTPA
By ultrasonography, when kidneys appear darker than the liver, they are:
hypoechoic
hyperechoic
anechoic
isoechoic
What is the minimum estimate of GFR to take gadolinium-based contrast agents?
more than 30 mL/min/1.73 m2
more than 60 mL/min/1.73 m2
more than 90 mL/min/1.73 m2
none of the above
Ultrasonic waves, in nature, are:
mechanical waves
radar waves
microwaves
radio waves