Abdomen MRI may be helpful in the diagnosis of hydronephrosis. Findings on MRI suggestive of hydronephrosis include renal perfusion and renal diffusion during acute ureteral obstruction.

MRI is less commonly used, often when there is a reason to avoid radiation exposure e.g. in pregnancy.

• Abdomen MRI may be helpful in the diagnosis of hydronephrosis. Findings on MRI suggestive of hydronephrosis include:^{[1][2][3][4][5]}
  • Renal perfusion
  • Renal diffusion
  • Renal scarring
  • Cortical thinning
  • Genitourinary tract anomalies in children