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Living with Multifocal fibrosclerosis

A rare condition in which scar-like tissue forms in different parts of the body, in varying combinations.

Understanding Multifocal fibrosclerosis

Multifocal fibrosclerosis is a rare condition that can cause different combinations of fibrosis (scar-like tissue) in several parts of the body.

It can involve the tissue behind the belly (retroperitoneal fibrosis), the chest (mediastinal fibrosis), the bile ducts (sclerosing cholangitis), the thyroid (Riedel thyroiditis), and the eye socket (orbital pseudotumor). Some people have stiff, bent fingers. Spine and joint arthritis and camptodactyly may also occur.

Signs & symptoms

GARD doesn't list a set of most common symptoms for this condition. Its summary describes these features:

  • Scar-like tissue behind the belly or in the chest
  • Bile duct inflammation (sclerosing cholangitis)
  • Thyroid inflammation (Riedel thyroiditis)
  • Swelling in the eye socket
  • Stiff, bent fingers
  • Spine and joint arthritis

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with rare disease patient organizations for support
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Which organs are affected, and how are they monitored?
Which specialists should be involved?
Can genetic testing help identify the cause?

Quick facts

GARD says the condition appears to follow an autosomal recessive pattern of inheritance, which means a child inherits a changed copy of the gene from each parent. GARD does not name a gene.

Also known as: fibrosclerosis, multifocal; mediastinal fibrosis, familial; retroperitoneal fibrosis, familial

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Multifocal fibrosclerosisGARD ID 5697 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Multifocal fibrosclerosis.

Explore the Multifocal fibrosclerosis blog

Explore research for Multifocal fibrosclerosis

Explore actively recruiting Multifocal fibrosclerosis studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Multifocal fibrosclerosis with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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