Home
Current Affairs January 2024

What is the correct answer?

4

On histological examination of a resected renal tumor, the presence of multiple mitochondria observed on electron microscopy is diagnostic for:

A. renal oncocytoma

B. multiloculated cystic nephromas

C. metanephric adenoma

D. adenoma with clear cell

Correct Answer :

A. renal oncocytoma


self-explanatory.

Related Questions

What is the correct answer?

4

What is false regarding multiloculated cystic nephromas?

A. they follow a benign clinical course

B. they have a bimodal age distribution

C. they are more common in men than in women

D. none of the above

What is the correct answer?

4

What can NOT be a manifestation of a renal tumor?

A. right hydrocele

B. left varicocele

C. painless hematuria

D. hypertension

What is the correct answer?

4

What is true regarding ADPKD patients?

A. progress to ESRD in the sixth decade of life

B. hypertension is seen in 80% of patients with ADPKD aged 20-34 years

C. aortic valve stenosis in 25%

D. manifestations are more significant in patients with the PKD2 genotype

What is the correct answer?

4

Antenatal sonography is the diagnostic tool for the following condition:

A. glomerulocystic kidney disease

B. developmental cystic renal disease

C. Juvenile nephronophthisis

D. medullary cystic kidney disease

What is the correct answer?

4

What is false concerning renal oncocytoma?

A. the central scar on CT or MRI, and the spoke-wheel pattern of vessels on angiograms are not specific to oncocytoma

B. calcification, necrosis, and hemorrhage are rare in oncocytomas

C. it is thought to arise from the basement membrane of proximal convoluted tubules

D. treatment is partial nephrectomy or tumor excision

What is the correct answer?

4

Inherited renal cystic disease(s) include(s) the following:

A. glomerulocystic kidney disease (GCKD)

B. Juvenile nephronophthisis (JNPHP)

C. medullary cystic kidney disease

D. all of the above

What is the correct answer?

4

What does determine the renal function status after partial nephrectomy of a single kidney?

A. the quality of the kidney and renal function prior to surgery

B. the quantity of vascularized parenchymal mass preserved after excision

C. the tumor

D. warm ischemia time

What is the correct answer?

4

What is false concerning renal malignancy?

A. RCC occurs in < 5% of patients with tuberous sclerosis

B. in glomerulocystic kidney disease, renal tumors are typically solitary, large, with central necrosis

C. in Von Hippel-Lindau syndrome, renal tumors are frequently bilateral and multicentric

D. in acquired cystic disease, tumors are commonly bilateral, and metastatic in 15% of cases

What is the correct answer?

4

d. neurosarcoma

A. . What is false concerning targeted molecular therapy?

B. is a personalized medical therapy devised to meet each persons individual needs for cancer`s specifications

C. treats cancer by interrupting unique molecular abnormalities that drive cancer growth

D. some cancer types have different molecular targets

What is the correct answer?

4

The etiology of renal cysts includes all of the following, EXCEPT:

A. autosomal dominant polycystic kidney disease (ADPKD)

B. developmental cystic renal disease

C. inherited cystic renal disease

D. systemic disease with associated renal cysts

What is the correct answer?

4

What is the most common cause of genetic ESRD in children?

A. autosomal recessive polycystic kidney disease

B. autosomal dominant polycystic kidney disease

C. multicystic dysplastic kidney disease

D. juvenile nephronophthisis

What is the correct answer?

4

What is false concerning renal cancers?

A. papillary subtype of RCC has a tendency to multifocality

B. chromosome 13 alterations are common in the development of clear cell renal carcinoma

C. a solid mass on CT that enhances more than 15 HU is suggestive of RCC

D. bilateral involvement in RCC either synchronously or metachronously occurs in 2% to 4% of patients

What is the correct answer?

4

What is the treatment of a 3-cm renal mass suggestive of RCC adjacent to a huge renal cyst?

A. cyst aspiration and sclerosis

B. partial nephrectomy

C. endoscopic marsupialization and fulguration of the cyst

D. administration of TKIs

What is the correct answer?

4

In RCC cases where IVC involvement with tumor thrombi are suspected, venacavography:

A. is the first and most reliable radiologic examination to study IVC thrombi

B. is reserved for patients with equivocal MRI or CT findings

C. is obsolete and has fallen out of use

D. carries a risk of IVC terrible bleeding that outweighs the diagnostic merits

What is the correct answer?

4

Which of the following conditions carries the best prognosis?

A. acquired cystic renal disease

B. juvenile nephronophthisis

C. medullary sponge kidney

D. bilateral multicystic dysplastic kidney

What is the correct answer?

4

d. unilateral RCC with a functioning opposite kidney, but at risk for future impairment

A. . What is the relapse rate for completely resected RCC after radical nephrectomy?

B. 1- 10%

C. 10 - 20%

D. 20 - 30%

What is the correct answer?

4

The diagnosis of renal adenoma is commonly made:

A. at autopsy

B. by staining positive for human melanoma black (HMB)-45

C. by fine-needle aspiration cytology

D. by exclusion

What is the correct answer?

4

After radical nephrectomy, what is the 5-year survival rate for stage I RCC?

A. 80%

B. 85%

C. 90%

D. 95%

What is the correct answer?

4

Which of the following is NOT a risk factor for RCC?

A. type II DM, especially in males

B. hypertension

C. obesity, especially in females

D. cigarette smoking

What is the correct answer?

4

d. 30 - 40%

A. . What is false concerning imaging studies for preoperative evaluation of RCC case?

B. in case of bone pain or elevated serum calcium and/or alkaline phosphatase levels, an isotopic bone scan is required

C. renal arteriography accurately localizes central scaring and tumor necrosis

D. trans-esophageal echocardiography helps assess vena caval and right atrial tumor thrombi

What is the correct answer?

4

What is the most powerful single predictor of oncologic outcomes in RCC cases?

A. margin status and grade

B. tumor size

C. tumor stage

D. the time interval between the tumor emergence and excision

What is the correct answer?

4

What is true regarding cancer incidence in renal cystic diseases?

A. is > 90% in Bosniak type IV renal cysts

B. in patients receiving renal transplants for polycystic kidney disease is 48% higher than that expected in the general population

C. all of the above

D. simple renal cysts might turn malignant in < 4% of cases

What is the correct answer?

4

What is false concerning metanephric adenoma?

A. radiographically, it is indistinguishable from RCC

B. has a female predominance

C. has a benign clinical course

D. has a peak incidence in the third decade of life

What is the correct answer?

4

What is (are) true regarding the etiology of medullary cystic kidney disease (MCKD)?

A. mutations in the MCKD1 (chromosome 1q21) gene

B. mutations in the MCKD2 (chromosome 16q12) gene

C. inherited in an autosomal dominant fashion

D. all of the above

What is the correct answer?

4

On ultrasonography, what are the percentages of incidentally discovered renal masses that will later be malignant on further workup?

A. 70 - 85%

B. 55 - 70%

C. 40 - 55%

D. 25 - 40%

What is the correct answer?

4

According to Fuhrmans classification system for nuclear grading in RCC, nuclear size of 20 μg with irregular outline and prominent nucleoli is grade:

A. 1

B. 2

C. 3

D. 4

What is the correct answer?

4

d. melanoma

A. . The second most common RCC subtype is:

B. collecting duct b. clear cell

C. papillary

D. chromophobe

What is the correct answer?

4

d. renal vein thrombi can be resected after incising the vein between 2 vascular clamps

A. . Manifestations of paraneoplastic syndrome associated with RCC include all of the following, EXCEPT:

B. anemia and erythrocytosis

C. hepatic dysfunction and elevated human chorionic gonadotropin levels

D. hypocalcemia

What is the correct answer?

4

The likelihood of malignancy in category IIF (indeterminate) renal cysts is:

A. 20%

B. 30%

C. 40%

D. 50%

What is the correct answer?

4

d. 19 - 26%

A. . What is false regarding radical nephrectomy operation?

B. nodal involvement doesn`t influence prognosis

C. renal artery should be ligated before the vein to avoid kidney ballooning

D. cardiopulmonary bypass with deep hypothermic circulatory arrest is performed in patients with supra-diaphragmatic tumor thrombi