What is investigation?

A 27-year-old man presents with abdominal pain. He says his urine is dark. Exam: BP=160/105mmHg.

What is investigation?
A . Urine microscopy
B . Renal biopsy
C . Urine protein
D . US
E . CT

Answer: D

Explanation:

US. Abdominal pain, Dark urine (hematuria and hypertension suggests ADPKD. The sensitivity of ult ADPKD1 is 99% for at-risk patients older than 20 years.