Urothelial tumors of the upper & lower urinary tracts MCQ Question with Answer

Urothelial tumors of the upper & lower urinary tracts MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 15
What is false concerning carcinoma-in-situ (CIS) of urinary tract?

frequently found in association with high-grade or extensive TCC
has a rate of progression to muscle invasion of 10-25%
significant areas of CIS are easily missed by routine cystoscopy
treatment begins with TURBT

Question No : 16
In what percentages do upper tract urothelial tumors develop in patients with a bladder urothelial cancer?

2 - 4%
4 - 6%
6 - 8%
8 - 10%

Question No : 17
Partial cystectomy for bladder tumors can be performed when the following criterion(a) is(are) met:

the lesion is solitary and no associated CIS
physically, a surgical margin of 2-cm can be obtained
the resected area should be far enough from ureteral orifices and the bladder neck
all of the following

Question No : 18
Regarding ureteral cancers, what is the commonest part of tumor development?

upper ureter
middle ureter
lower ureter

Question No : 19
On diagnosing bladder cancers, what advantage does urine cytology has over tumor markers?

high specificity
high sensitivity
high reliability
strong validity

Question No : 20
What is (are) the classic presentation(s) of bladder cancers?

irritative bladder symptoms
obstructive bladder symptoms
palpable suprapubic mass on physical examination
painless profuse hematuria

Question No : 21
Intravesical installation of BCG should NOT be given soon after bladder tumor resection (TURBT) because:

there will be no target tumor tissue to work on
post-op. hematuria interacts unfavorably with BCG composition
of the risk of systemic absorption and sepsis
of the high risk of BCG reflux to kidneys while bladder irrigation