flank pain

Introduction

lateral abdominal pain at the level of the umbilicus

Etiology

• acute kidney injury due to
  • pyelonephritis
  • obstructive uropathy due to retroperitonal disease
    • retroperitonal hemorrhage
    • nephrolithiasis (colicky)
  • renal vein thrombosis
• also see abdominal pain

Clinical manifestations

• flank tenderness (costovertebral angle tenderness)

Laboratory

• urinalysis

Radiology

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

More general terms

• abdominal pain
• back pain

Additional terms

• flank