Retroperitoneal fibrosis

Martha Tzou1, David J Gazeley2, Peter J Mason3

  • 1University of Wisconsin School of Medicine & Public Health, Madison, WI, USA.

Insights

Retroperitoneal fibrosis (RPF) is a rare inflammatory disease causing a mass that can obstruct ureters and lead to kidney failure. Treatment involves immunosuppressants to manage symptoms and reduce the mass, though relapses can occur.

Area of Science:

  • Nephrology
  • Vascular Surgery
  • Rheumatology

Background:

  • Retroperitoneal fibrosis (RPF) is a rare condition characterized by a fibroinflammatory mass.
  • This mass can encase vital structures like the abdominal aorta and ureters.

Observation:

  • RPF presents with constitutional symptoms, abdominal pain, and often renal insufficiency due to ureteral obstruction.
  • Vascular complications such as venous thrombosis and claudication are less common presentations.

Findings:

  • Idiopathic RPF is most common, but secondary causes include malignancy and medications.
  • Pathophysiology is unclear, but links to periaortitis and IgG4-related disease exist.

Implications:

  • Treatment focuses on symptom relief and managing complications from mass effect.
  • Immunosuppressants can induce remission, but RPF often follows a relapsing course.