Ultrasound Detection of a Renal Mass in a Patient with Flank Pain and Hematuria

Flank pain with hematuria is a common chief complaint in the emergency department (ED). Patientsare often diagnosed with renal calculi or pyelonephritis and discharged with analgesics or antibioticsand follow-up. This case study describes a patient who presented to the ED with a 1 week historyof flank pain and hematuria and was subsequently found to have a large renal mass on bedsideultrasound.