Living with Type A2 brachydactyly
A very rare condition in which the middle bone of the index finger and second toe is very short.
Understanding Type A2 brachydactyly
These bones are very short, and in some people the bone beyond them is shifted too, so fingers and toes may look misshapen. GARD says no other symptoms have been reported, surgery is typically not needed, and people can use their hands normally. It is noticed in the newborn period or infancy.
Signs & symptoms
Symptoms vary from person to person. GARD lists these among the most common:
- Short index fingers and second toes
- Short middle bone of the finger
- Curved little finger (clinodactyly)
- Short foot
Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.
Diagnosis
- 1Talk with your doctor
Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.
- 2See a specialist
Specialists who may be involved include bone and joint specialists and genetic specialists.
- 3Ask 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
Quick facts
GARD says changes in genes (variants) cause this condition and that it is autosomal dominant, so one changed copy of a gene can be enough. It doesn't name a specific gene.
Also known as: bda2; brachydactyly mohr wriedt type; brachydactyly type a2; brachydactyly, mohr-wriedt type; brachymesophalangy ii; brachymesophalangy type 2
Patient organizations
Rare-disease groups that can help
- Global GenesRare Diseases · United States
- National Organization for Rare DisordersRare Diseases · United States
- Genetic AllianceRare Diseases · United States
- RARE FoundationRare Diseases · United States
You are more than your diagnosis
Perspectives from people navigating life with Type A2 brachydactyly.
Explore research for Type A2 brachydactyly
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- Recruiting studies from ClinicalTrials.gov
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- Eligibility is confirmed by the study team
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