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 : 1
Which of the following is a risk factor for developing upper urinary tract tumors?

consuming artificial sweeteners
analgesic abuse

Question No : 2
Common benign urethral tumors include all of the following,

fibroepithelial polyp

Question No : 3
Which of the following cystoscopic descriptions of bladder tumors is false?

nodular or sessile lesions usually invade muscle
papillary bladder tumors are typical of low stage and grade
carcinoma in situ appears as a flat, velvety patch
sarcomas commonly invade bladder base and ureteral orifices causing obstructions

Question No : 4
Bladder tumors with hydronephrosis are:

often of high-grade sarcomas
often associated with muscularis propria invasion
due to vesical polyps occluding ureteric orifices
should be resected but not diathermized

Question No : 5
What is false concerning upper tract urothelial tumors?

rarely diagnosed at autopsy
the peak incidence occurs between ages 70 and 80
they occur twice as frequently in men as in women
none of the above

Question No : 6
Regarding bladder neoplasia, squamous metaplasia differs from squamous dysplasia as the latter is/has:

well-differentiated tumor with broad-based invasive font
marked atypia distributed on wide areas of superficial urothelium
atypia is present
no atypia but marked degenerative epithelial changes

Question No : 7
Bladder cancer patients who once failed BCG vaccine, should:

undergo cystectomy
try mitomycin c
take a second course of BCG
take a second course of BCG + quinolones