What does determine the renal function status after partial nephrectomy of a single kidney?
the quality of the kidney and renal function prior to surgery
the quantity of vascularized parenchymal mass preserved after excision
the tumor
warm ischemia time
Correct Answer :
D. warm ischemia time
all of the specified reasons in addition to the type of reconstruction.
Related Questions
d. prior to kidney transplant
. What is an indication for radical nephrectomy?
a 6-cm, polar tumor
bilateral RCC
locally advanced RCC
CT shows a renal mass with calcifications associated with fat. What could the lesion be?
RCC
AML
teratoma
any of the above
The diagnosis of renal adenoma is commonly made:
at autopsy
by staining positive for human melanoma black (HMB)-45
by fine-needle aspiration cytology
by exclusion
What can NOT be a manifestation of a renal tumor?
right hydrocele
left varicocele
painless hematuria
hypertension
What is false concerning renal malignancy?
RCC occurs in < 5% of patients with tuberous sclerosis
in glomerulocystic kidney disease, renal tumors are typically solitary, large, with central necrosis
in Von Hippel-Lindau syndrome, renal tumors are frequently bilateral and multicentric
in acquired cystic disease, tumors are commonly bilateral, and metastatic in 15% of cases
Which of the following conditions carries the best prognosis?
acquired cystic renal disease
juvenile nephronophthisis
medullary sponge kidney
bilateral multicystic dysplastic kidney
In RCC cases where IVC involvement with tumor thrombi are suspected, venacavography:
is the first and most reliable radiologic examination to study IVC thrombi
is reserved for patients with equivocal MRI or CT findings
is obsolete and has fallen out of use
carries a risk of IVC terrible bleeding that outweighs the diagnostic merits
On histological examination of a resected renal tumor, positive staining for human melanoma black (HMB)-45 is a distinctive and diagnostic feature for:
multiloculated cystic nephromas
angiomyolipoma
metanephric adenoma
adenoma with clear cell
What type of Bosniak renal cysts accompanies tumor masses in 5% of cases?
I
II
III
IV
The etiology of renal cysts includes all of the following, EXCEPT:
autosomal dominant polycystic kidney disease (ADPKD)
developmental cystic renal disease
inherited cystic renal disease
systemic disease with associated renal cysts
What does determine the renal function status after partial nephrectomy of a single kidney?
the quality of the kidney and renal function prior to surgery
the quantity of vascularized parenchymal mass preserved after excision
the tumor
warm ischemia time
Regarding simple renal cysts, fluid attenuation on non-contrast CT series is:
< - 10 HU
< - 20 HU
< 10 HU
< 20 HU
Which RCC subtype is most likely to benefit from targeted molecular therapy?
clear cell
chromophobe
papillary
renal medullary
In renal mass(es), the main indication to take a renal biopsy is the suspicion of:
papillary RCC
renal metastases
renal oncocytoma
renal xanthogranuloma
d. all of the above
. What is the most common histologic subtype of renal sarcomas?
rhabdomyosarcoma
nephrosarcoma
leiomyosarcoma
According to Fuhrmans classification system for nuclear grading in RCC, nuclear size of 20 μg with irregular outline and prominent nucleoli is grade:
1
2
3
4
What is the treatment of a 3-cm renal mass suggestive of RCC adjacent to a huge renal cyst?
cyst aspiration and sclerosis
partial nephrectomy
endoscopic marsupialization and fulguration of the cyst
administration of TKIs
What is false concerning end-stage renal disease (ESRD)?
ARPKD accounts for 5% of ESRD in children
more than one-half of patients with ARPKD require kidney transplant before age 20 years
ADPKD is a common cause of ESRD
uncommonly, juvenile nephronophthisis causes ESRD in children
On ultrasonography, what are the percentages of incidentally discovered renal masses that will later be malignant on further workup?
70 - 85%
55 - 70%
40 - 55%
25 - 40%
What is false regarding multiloculated cystic nephromas?
they follow a benign clinical course
they have a bimodal age distribution
they are more common in men than in women
none of the above
What is true regarding renal angiomyolipoma (AML)?
most classic AMLs eventually undergo malignant transformation to sarcomatoid and epithelioid AML
the preferred treatment is nephroureterectomy followed by active surveillance
angiographic embolization and/or nephron-sparing surgery is advised for symptomatic AMLs greater than 4 cm
extra-renal sites include the pancreas, salivary glands, and thyroids
d. neurosarcoma
. What is false concerning targeted molecular therapy?
is a personalized medical therapy devised to meet each persons individual needs for cancer`s specifications
treats cancer by interrupting unique molecular abnormalities that drive cancer growth
some cancer types have different molecular targets
d. 19 - 26%
. What is false regarding radical nephrectomy operation?
nodal involvement doesn`t influence prognosis
renal artery should be ligated before the vein to avoid kidney ballooning
cardiopulmonary bypass with deep hypothermic circulatory arrest is performed in patients with supra-diaphragmatic tumor thrombi
What is (are) true regarding the etiology of medullary cystic kidney disease (MCKD)?
mutations in the MCKD1 (chromosome 1q21) gene
mutations in the MCKD2 (chromosome 16q12) gene
inherited in an autosomal dominant fashion
all of the above
What is false concerning renal oncocytoma?
the central scar on CT or MRI, and the spoke-wheel pattern of vessels on angiograms are not specific to oncocytoma
calcification, necrosis, and hemorrhage are rare in oncocytomas
it is thought to arise from the basement membrane of proximal convoluted tubules
treatment is partial nephrectomy or tumor excision
d. melanoma
. The second most common RCC subtype is:
collecting duct b. clear cell
papillary
chromophobe
d. unilateral RCC with a functioning opposite kidney, but at risk for future impairment
. What is the relapse rate for completely resected RCC after radical nephrectomy?
1- 10%
10 - 20%
20 - 30%
What is the proper terminology of a renal cyst with the following characteristics: well-marginated, anechoic, with thin visible back wall, positive posterior acoustic enhancement, no septations, and no calcifications?
hyperattenuating renal cyst
solitary renal cyst
uncomplicated renal cyst
focal renal cyst
d. 30 - 40%
. What is false concerning imaging studies for preoperative evaluation of RCC case?
in case of bone pain or elevated serum calcium and/or alkaline phosphatase levels, an isotopic bone scan is required
renal arteriography accurately localizes central scaring and tumor necrosis
trans-esophageal echocardiography helps assess vena caval and right atrial tumor thrombi
What is (are) the risk factor(s) for developing simple renal cysts?
male gender
hypertension
renal insufficiency
all of the above