retroperitoneal fibrosis

• ureters tapered or obstructed, most severe at L4-5
• ureters deviated medially

• Rx: symptomatic; steroids have ? long-term benefit

• malignancy
  • lymphoma (esp. Hodgkin's)
  • mets from colon + breast
  • retroperitoneal sarcoma
• drugs
  • methysergide (Sansert)
• hemorrhage
  • aortic aneurysm
  • trauma or surgery
• inflammation
  • Crohn's disease, diverticulitis, pancreatitis, extravasated urine
• radiation

© 2002, C.E. Kahn, Jr.
2002-04-18