renal imaging

Indications

• renal disease

Radiology

• renal ultrasound
  • nepholithiasis
  • kidney size & cortical thickness
    • increased echogenicity implies parenchymal disease
  • renal cysts & renal neoplasms
  • urinary obstruction & hydronephosis
  • bladder size, postvoid residual, prostate in bladder outlet obstruction
• renal CT
  • nepholithiasis (non-contrast abdominal CT)
  • renal neoplasms & cysts (contrast abdominal CT)
  • unexplained non-glomerular hematuria (CT urography)
  • acute pyelonephritis (renal SPECT)
  • vesicoureteral reflux (renal SPECT)
• renal MRI
  • renal mass, renal cyst, renal vein thrombosis
  • renal artery stenosis (MRA with gadolinium contrast)

More specific terms

• renal SPECT