Home
Current Affairs January 2024

What is the correct answer?

4

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?

A. class 1

B. class 2

C. class 3

D. class 4

Correct Answer :

A. class 1


the description meets class 1, with no surrounding masses and carries no risk of malignancy.

Related Questions

What is the correct answer?

4

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?

A. class 1

B. class 2

C. class 3

D. class 4

What is the correct answer?

4

What is false on comparing Tc-99m DTPA to Tc-99m MAG3?

A. DTPA provides better quality images with renal insufficiency

B. by giving captopril, MAG3 plasma clearance declines in hypertensive patients with renal artery stenosis but rises in those who do not have the disease

C. DTPA provides an excellent measurement of GFR

D. in pediatrics, MAG3 provides better quality images than DTPA

What is the correct answer?

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

What is the correct answer?

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

What is the correct answer?

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

What is the correct answer?

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

What is the correct answer?

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

What is the correct answer?

4

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

A. hydrocalicosis

B. extrarenal pelvis

C. parapelvic cyst

D. class 2 Bosniak renal cyst

What is the correct answer?

4

What nuclear medicine study can diagnose interstitial nephritis?

A. DTPA

B. DMSA

C. gallium-67

D. MAG-3

What is the correct answer?

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

What is the correct answer?

4

Which statement is false concerning complications of left renal artery embolization?

A. embolizing the non-target artery might occur

B. severe pain at the renal area could occur

C. complications depend on the embolic agent

D. reactive left pulmonary edema

What is the correct answer?

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

What is the correct answer?

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

What is the correct answer?

4

Which condition could present as a filling defect in the bladder on IVU study?

A. blood clot

B. fibro-epithelial polyp

C. sloughed renal papilla

D. all of the above

What is the correct answer?

4

What matter does correspond to zero Hounsfield units?

A. air

B. water

C. fat

D. bone

What is the correct answer?

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

What is the correct answer?

4

What is (are) the characteristic finding(s) of testicular torsion on color Doppler ultrasonography?

A. the classic blue dot sign

B. thick, short, edematous spermatic cord

C. absence of intratesticular blood flow

D. increased epididymal blood flow

What is the correct answer?

4

Which radiological modality carries the highest radiation hazard?

A. nuclear medicine

B. ultrasonography

C. X-ray fluoroscopy

D. intravenous urography

What is the correct answer?

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

What is the correct answer?

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

What is the correct answer?

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

What is the correct answer?

4

What is true concerning Tc-99m DTPA?

A. Its uptake by glomerular filtration is almost 100%

B. It helps evaluate cortical structure and morphology

C. It provides a static picture of kidneys when compared to MAG3

D. it binds to the sulfhydryl groups in proximal tubules resulting in much higher resolution pinhole SPECT imaging

What is the correct answer?

4

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?

A. RCC

B. metastases

C. angiomyolipoma

D. oncocytoma

What is the correct answer?

4

What is the improper usage of TRUS?

A. to evaluate ejaculatory duct obstruction in infertility case

B. to screen for prostate cancers

C. to take prostate biopsies

D. to place interstitial radiotherapy seeds

What is the correct answer?

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

What is the correct answer?

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

What is the correct answer?

4

Which statement is false concerning plain KUB film?

A. reliable tool to exclude urinary calculi

B. calcifications at renal area might lead to the discovery of renal cancers

C. can detect soft tissues

D. fecoliths and phleboliths could be mistaken for calculi

What is the correct answer?

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

What is the correct answer?

4

Using ultrasonography, which testicular lesion is described as a solid, round, homogeneous, low-reflectivity tumor mass, with no calcification?

A. seminoma

B. embryonal cell tumor

C. mixed germ cell tumor

D. epidermoid cyst

What is the correct answer?

4

Ultrasonic waves, in nature, are:

A. mechanical waves

B. radar waves

C. microwaves

D. radio waves