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Living with Gollop-Wolfgang complex

A rare condition present at birth with a split thighbone, short or missing leg and forearm bones, and fewer fingers or a split hand.

Understanding Gollop-Wolfgang complex

Gollop-Wolfgang complex is a rare congenital limb malformation with a bifid (split) femur and differences in the lower leg and hand.

Features include a notched thighbone, a missing or underdeveloped shin bone and inner forearm bone with limb shortening, and fewer fingers or a cleft hand. It is noticed during pregnancy or in the newborn period.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Notched or split thighbone (bifid femur)
  • Missing or small shin bone (tibia)
  • Missing or small inner forearm bone (ulna)
  • Cleft hand (ectrodactyly)
  • Single finger on the hand (monodactyly)

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
Which orthopedic specialists should plan my child's care?
What options exist for leg and hand function, such as surgery or prostheses?
Can genetic testing help us understand the chance for future children?

Quick facts

Symptoms usually startduring Pregnancy and as a Newborn
InheritanceAutosomal Dominant, Autosomal Recessive

Changes in genes cause this condition. GARD lists both autosomal dominant and autosomal recessive inheritance. It does not name the gene.

Genetic

Also known as: bifid femur co-occurrent with monodactylous ectrodactyly; bifid femur with monodactylous ectrodactyly; bifid femur-monodactylous ectrodactyly syndrome; gollop wolfgang complex; gwc

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Gollop-Wolfgang complexGARD ID 2285 · 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 Gollop-Wolfgang complex.

Explore the Gollop-Wolfgang complex blog

Explore research for Gollop-Wolfgang complex

Explore actively recruiting Gollop-Wolfgang complex studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Gollop-Wolfgang complex with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
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  • 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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