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.

Question No : 1
Which of the following is a risk factor for developing upper urinary tract tumors?

obesity

consuming artificial sweeteners

asbestosis

analgesic abuse

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

leiomyoma

hemangioma

fibroepithelial polyp

lymphangioma

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