What is the improper usage of TRUS?
to evaluate ejaculatory duct obstruction in infertility case
to screen for prostate cancers
to take prostate biopsies
to place interstitial radiotherapy seeds
Correct Answer :
B. to screen for prostate cancers
TRUS is not used for prostate cancer screening.
Related Questions
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 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
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
On clinical examination, what accidental finding has NO connection to renal cancer?
unilateral hydrocele
bilateral varicocele
calcifications at the renal area on plain KUB film
painless hematuria
Which condition does NOT show a false positive result for hydronephrosis on ultrasonic examination?
hydrocalicosis
extrarenal pelvis
parapelvic cyst
class 2 Bosniak renal cyst
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 radiological modality carries the highest radiation hazard?
nuclear medicine
ultrasonography
X-ray fluoroscopy
intravenous urography
What imaging modality is superior in detecting undescended testis in the abdomen?
MRI
CT
ultrasound
all are comparable
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
To which class of Bosniak system of renal cysts does an oval renal parenchymal cyst of uniform water density filling, with attenuation of ≤ 20 HU, thin, non-calcified wall, and no contrast enhancement; belong to?
class 1
class 2
class 3
class 4
Ultrasonic waves, in nature, are:
mechanical waves
radar waves
microwaves
radio waves
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 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
In routine practice, when do urologists request plain skull X-ray?
advanced prostatic cancer
central diabetes insipidus
pituitary adenoma
a & c
Using ultrasonography, which testicular lesion is cystic with heterogeneous echoes representing a mixture of mucinous and/or sebaceous material with or without hair follicles, cartilages, and bones?
non-seminomatous germ cell tumors
acute bleed on top of old hematoma
mature teratoma
sex cord stromal tumors
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
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
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
How does a full bladder appear on ultrasonography?
hyperechoic
hypoechoic
isoechoic
anechoic
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
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
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
Which ultrasound mode is able to depict motion direction and flow velocity?
grey-scale
simultaneous bilateral views
color Doppler
power Doppler
What is the improper usage of TRUS?
to evaluate ejaculatory duct obstruction in infertility case
to screen for prostate cancers
to take prostate biopsies
to place interstitial radiotherapy seeds
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
Ultrasonic 3.5 MHz curved array probe is suitable to detect:
epididymal cysts
testicular tumors
renal stones
penile vasculature
Using CT scanning, which solid kidney mass is sharply demarcated with uniform enhancement and often has a central scar?
RCC
metastases
angiomyolipoma
oncocytoma
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
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