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Living with Familial multiple discoid fibromas

An inherited skin condition with many small, firm, skin-colored bumps on the ears and center of the face.

Understanding Familial multiple discoid fibromas

Familial multiple discoid fibromas (FMDF) is an inherited skin condition that causes many small, firm bumps on the ears and face.

The bumps are skin-colored, flat or dome-shaped, and usually appear in childhood or adolescence. They are noncancerous (benign) growths linked to the hair disc, a small pad of tissue around a hair. Many have a hair at or just outside the edge. FMDF is similar to Birt-Hogg-Dube syndrome but is different in its tissue findings and genetics.

Signs & symptoms

GARD doesn't list specific symptoms for this condition. Its summary describes:

  • Many small, firm skin-colored bumps (papules)
  • Bumps on the ears and center of the face
  • Bumps that are flat or dome-shaped
  • A hair at or near the edge of many bumps
  • Tiny visible blood vessels on the bumps

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

    Specialists who may be involved include cancer specialists, genetic specialists and skin, hair, and nail specialists.

  3. Ask which tests can help

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

Care & treatment

Care team
Cancer specialists (oncologists); Genetic specialists (geneticists); Skin, hair, and nail specialists (dermatologists)
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 Children's Skin Disease Foundation
  • 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
Is a skin biopsy needed to confirm the diagnosis?
How is FMDF told apart from Birt-Hogg-Dube syndrome?
Should family members have their skin checked?

Quick facts

Symptoms usually starta variety of ages
InheritanceAutosomal Dominant

FMDF is passed down in an autosomal dominant way, which means one changed copy of a gene is enough. GARD doesn't name the gene.

GeneticSkin

Also known as: familial multiple discoid fibroma; familial multiple trichodiscoma; familial multiple trichodiscomas; fmdf; hereditary multiple trichodiscomas; small benign fibrovascular tumor of the dermal part of the hair disk

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Familial multiple discoid fibromasGARD ID 8479 · 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 Familial multiple discoid fibromas.

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