flank pain

Introduction

lateral abdominal pain at the level of the umbilicus

Etiology

• acute kidney injury due to
  • pyelonephritis
  • obstructive uropathy due to retroperitonal hemorrhage
  • renal vein thrombosis
• also see abdominal pain

Laboratory

• urinalysis

Radiology

• CT of abdomen
• CT angiography if suspected renal vein thrombosis

More general terms

• abdominal pain
• back pain

Additional terms

• flank