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4

Which statement is true concerning renal ultrasonography?

A. end-stage renal failure kidneys look small and hypoechoic

B. it is more accurate on diagnosing cystic lesions than solid masses

C. it is able to detect tumors as small as 2 mm

D. cortical carbuncle might be mistaken for hydronephrosis

Correct Answer :

B. it is more accurate on diagnosing cystic lesions than solid masses


solid masses are best diagnosed by CT, while renal cysts are adequately diagnosed by u/s.

Related Questions

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4

What is the optimal time for viewing the renal parenchyma after injecting a contrast material during IVU study?

A. 0 minute

B. 5 minutes

C. 10 minutes

D. renal parenchyma does not appear on IVU

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4

On staging left kidney RCC using enhanced CT, the radiologist must look for:

A. extension of the tumor to the diaphragm

B. extension of the tumor to the right atrium

C. the density of calcifications

D. the amount and bilaterality of cysts formation

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4

Which structure can NOT be assessed by TRUS of the prostate?

A. ejaculatory duct

B. vas deferens

C. seminal vesicles

D. rectal wall

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4

Ultrasonic 3.5 MHz curved array probe is suitable to detect:

A. epididymal cysts

B. testicular tumors

C. renal stones

D. penile vasculature

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4

Which of the following is NOT an indication of renal arteriography?

A. preparation for donor nephrectomy

B. advanced RCC in the right kidney

C. renal artery stenosis

D. oncocytoma in the left kidney

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4

Using ultrasonography, which testicular lesion is of low reflectivity with irregular borders, hypervascular rims but no internal vascularity to mention?

A. intratesticular hematoma

B. testicular abscess

C. orchitis

D. sex cord stromal tumors

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4

What should type II diabetic patients on metformin do when going for intravenous contrast urography to avoid biguanide lactic acidosis?

A. take urine acidifiers

B. withhold metformin the day before the study and restart 48 hrs. later

C. get premedicated by steroids and antihistamines

D. decrease metformin dose and turn to insulin

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4

What is false concerning Tc-99m DMSA?

A. diseases affecting the proximal convoluted tubules inhibit DMSA uptake

B. it is ideal to assess UPJ obstruction in adults

C. gentamicin and cisplatin inhibit the DMSA uptake

D. it allows better assessment of differential renal function

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4

What nuclear medicine study can diagnose interstitial nephritis?

A. DTPA

B. DMSA

C. gallium-67

D. MAG-3

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4

Which of the following is NOT an indication of static cystography?

A. evaluating a probable bladder rupture

B. evaluating a probable colovesical or vesicovaginal fistulae

C. evaluating a probable intravesical pathology

D. evaluating a probable bladder diverticula

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4

Regarding acute renal infections, what is the least diagnostic radionuclide study for detecting an inflammatory focus?

A. hippuran I-131

B. technetium-99m

C. gallium-67

D. indium-111labelled WBC

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4

Which statement concerning phlebolith is false?

A. can be mistaken for a ureteral stone

B. is a small single, usually spiky, calcification within a vein

C. the amount of phleboliths increases with age

D. appears more often on the left than on the right side of the pelvis

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4

What is the emergency treatment of intravenous contrast allergy?

A. epinephrine

B. atropine

C. hydrocortisone

D. antihistamine

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4

What is correct concerning sound waves?

A. The higher the frequency, the deeper tissue penetration

B. The higher the frequency, the better the axial resolution

C. low-frequency transducers are of 6 to 10 MHz

D. the deeper tissue penetration, the better axial resolution

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4

Which radiological modality carries the highest radiation hazard?

A. nuclear medicine

B. ultrasonography

C. X-ray fluoroscopy

D. intravenous urography

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4

Which of the following is false concerning retrograde urethrogram?

A. coning at the bulbar urethra is normal

B. segmental narrowing at bulbar urethra is normal

C. multiple round filling defects could be air bubbles

D. indicated in urethral trauma cases

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4

What is the hallmark finding on plain KUB of bladder exstrophy?

A. malunion of lumbar and/or sacral vertebral bodies

B. pelvic bone diastasis

C. sacral agenesis

D. fracture of anterior pubic rami

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4

Using CT, which solid kidney mass is like a bulge of the renal contour characterized by normal corticomedullary patterns?

A. prominent columns of Bertin

B. xanthogranulomatous pyelonephritis

C. lymphoma

D. renal infarction

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4

What is false concerning ureteric jets?

A. obstruction of the upper urinary tract may increase renal pelvis pressure and delay or decrease pelvis peristaltic rates

B. measured by color Doppler flow mapping in transverse scans at the suprapubic region

C. patients with ureteral stents are the ideal

D. adequate hydration is necessary

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4

On clinical examination, what accidental finding has NO connection to renal cancer?

A. unilateral hydrocele

B. bilateral varicocele

C. calcifications at the renal area on plain KUB film

D. painless hematuria

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4

What is the signal characteristic of renal stones on MRU?

A. high signal on T1-weighted images

B. high signal on T2-weighted images

C. low signal on T1-weighted images

D. none of the above

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4

What is (are) the indication(s) of renal artery embolization?

A. bleeding angiomyolipomas

B. an alternative to nephrectomy in severe uncontrolled hypertension among patients with end-stage renal disease

C. renal artery aneurysms or symptomatic AV malformations

D. all of the above

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4

Which condition does NOT show a false negative result for hydronephrosis on ultrasonic examination?

A. forniceal rupture

B. drained renal pelvis

C. high urine output

D. acute obstruction

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4

Which statement is false regarding magnetic resonance urography (MRU)?

A. small non-obstructive calculi might be missed at MRU performed for the evaluation of hematuria

B. in pediatrics, performing a dynamic contrast-enhanced imaging helps in evaluating crossing vessels in the setting of UPJ obstruction

C. the success of static-fluid MR urography depends on the presence of fluid within the urinary system regardless of renal function

D. MRU at 3T, carries the risk of nephrogenic systemic fibrosis

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4

Using CT scanning, which solid kidney mass is sharply demarcated with uniform enhancement and often has a central scar?

A. RCC

B. metastases

C. angiomyolipoma

D. oncocytoma

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4

What imaging modality is superior in detecting undescended testis in the abdomen?

A. MRI

B. CT

C. ultrasound

D. all are comparable

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4

Which of the following is NOT an indication of retrograde pyelography?

A. evaluation of probable ureteral obstruction

B. in conjunction with ureteroscopy

C. evaluation of hematuria

D. evaluation of probable ureterovesical reflux

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4

Which of the following is an indication of VCUG?

A. repeated febrile UTI in children

B. evaluating a probable posterior urethral valve

C. a & b

D. none of the above

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4

What is the poorest method of measuring the amount of urine in the bladder of a 65 yrs. old man?

A. using bladder scanner

B. measuring the voided urine

C. using abdominal ultrasonography

D. performing urinary catheterization

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4

Which ultrasound mode is able to depict motion direction and flow velocity?

A. grey-scale

B. simultaneous bilateral views

C. color Doppler

D. power Doppler