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Living with Tibial aplasia-ectrodactyly syndrome

A rare genetic condition with split hand or foot differences and a small or missing shinbone.

Understanding Tibial aplasia-ectrodactyly syndrome

Tibial aplasia-ectrodactyly syndrome is a rare genetic condition in which a child is born with split hand or foot differences and a small or missing shinbone (tibia).

It is present from birth and may be noticed during pregnancy, at birth, or in infancy. Joint movement can be limited.

Signs & symptoms

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

  • Small or missing shinbone (tibia)
  • Split hand or foot (ectrodactyly)
  • Limited joint movement

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, ear, nose, and throat specialists and genetic specialists.

  3. Ask which tests can help

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

  4. Connect with expert centers

    World Craniofacial Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Bone and joint specialists (orthopedists or orthopedic surgeons); Ear, nose, and throat specialists (otolaryngologists); Genetic specialists (geneticists)
Expert care
Expert lists: World Craniofacial Foundation
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 World Craniofacial Foundation and other patient organizations
  • 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
Would genetic counseling help our family?
Which specialists, such as an orthopedic surgeon, should we see?
What options are there to help with walking and hand use?

Quick facts

Symptoms usually startduring Pregnancy, at Birth, and as an Infant
InheritanceAutosomal Dominant

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.

Genetic

Also known as: aplasia of tibia with split hand split foot deformity; aplasia of tibia with split-hand/split-foot deformity; shfld syndrome; shfm associated with aplasia of long bones; split hand foot malformation with long bone deficiency; split hand/foot malformation with long bone deficiency

Patient organizations

Source: NIH GARD · Tibial aplasia-ectrodactyly syndromeGARD ID 1369 · 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 Tibial aplasia-ectrodactyly syndrome.

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