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Living with Melhem-Fahl syndrome

A very rare condition described in two siblings, with an extra pair of ribs and spine bones.

Understanding Melhem-Fahl syndrome

Melhem-Fahl syndrome is an extremely rare condition marked by 15 pairs of ribs and 15 back (dorsal) vertebrae.

It was described in 1985 in two siblings born to parents who were related by blood. No other cases have been documented since. It is present from birth.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. Its summary describes an extra pair of ribs and back vertebrae.

  • Extra pair of ribs
  • Extra back (dorsal) vertebrae

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 bone and joint specialists and genetic specialists.

  3. Ask which tests can help

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

Care & treatment

Care team
Bone and joint specialists (orthopedists or orthopedic surgeons); Genetic specialists (geneticists)
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
Is genetic testing available for this condition?
Do the extra ribs and vertebrae cause any health issues?
Could it affect other family members?

Quick facts

Symptoms usually startNewborn

Changes in genes (also called variants) cause this condition. GARD does not name a specific gene.

Genetic

Also known as: melhem fahl syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Melhem-Fahl syndromeGARD ID 3462 · 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 Melhem-Fahl syndrome.

Explore the Melhem-Fahl syndrome blog

Explore research for Melhem-Fahl syndrome

Explore actively recruiting Melhem-Fahl syndrome studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Melhem-Fahl syndrome 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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