Painless hematuria (1614/1700)

A 24yo man presents with painless hematuria. No other complaint and no abnormality is found on physical exam. What is the most appropriate initial inv which is helpful to get a dx?

a. Coag screening
b. MSU
c. Cystoscopy
d. MRI spine
e. Abdominal US

Answer: E

Cancer is unlikely at this age, no signs of infection or generalized bleeding tendency. PKD is highly suspected.