Category Radiology

Pyelonephritis

KEY FACTS Terminology Acute infection of renal parenchyma; often difficult to clinically distinguish from lower UTI Imaging Imaging work-up of UTI controversial See professional society guidelines With pyelonephritis, marked inflammatory response to renal parenchymal infection causes swelling that alters normal…

Wilms Tumor

KEY FACTS Imaging Ultrasound frequently 1st study performed; CECT & MR better characterize tumor & local extent Large, heterogeneous but predominantly solid hypoechoic (US)/hypoenhancing (CT/MR) renal mass Must carefully evaluate – Adjacent soft tissues for tumor rupture, adenopathy – Renal…