Hematuria and HTN (96/1700)

A 35yo man presented with hematuria, abdominal swelling and has a BP of 190/140.
What is the most diagnostic inv?

a. Cystoscopy
b. USG
c. CT
d. Renal biopsy
e. Urine analysis

answer: B
HTN, hematuria, swelling, middle age = Polycystic kidney disease