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Living with Conductive deafness-ptosis-skeletal anomalies syndrome

A rare genetic condition with hearing loss from ear canal changes, drooping eyelids and bone differences.

Understanding Conductive deafness-ptosis-skeletal anomalies syndrome

Conductive deafness-ptosis-skeletal anomalies syndrome is a rare genetic condition that affects hearing, the eyelids, bones, hair and teeth.

Hearing loss comes from a closed ear canal and middle ear, sometimes with long-lasting infections. People also have drooping eyelids and bone differences, such as hips that turn inward, dislocated elbows and curved pinkie fingers. Thin nose, delayed hair growth and abnormal teeth go with it. GARD notes no new descriptions in the literature since 1978.

Signs & symptoms

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

  • Conductive hearing loss
  • Closed or missing ear canal
  • Drooping upper eyelid (ptosis)
  • Elbow dislocation
  • Curved pinkie finger (clinodactyly)
  • Fine hair and tooth enamel differences

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 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.

  4. Connect with expert centers

    National Foundation for Ectodermal Dysplasias may keep lists of experts for this condition.

Care & treatment

Care team
Genetic specialists (geneticists); Skin, hair, and nail specialists (dermatologists)
Expert care
Expert lists: National Foundation for Ectodermal Dysplasias
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 National Foundation for Ectodermal Dysplasias 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
What hearing options exist for a closed ear canal?
Which specialists should check the bones and eyelids?
Is genetic testing available for our family?

Quick facts

InheritanceAutosomal Recessive

GARD says changes in genes cause this condition, but doesn't list a specific gene. It is autosomal recessive, so a child inherits a changed copy from each parent.

GeneticSkin

Also known as: conductive deafness, ptosis, skeletal anomalies syndrome; conductive hearing loss-ptosis-skeletal anomalies syndrome; deafness, conductive, with ptosis and skeletal anomalies; jackson barr syndrome; jackson-barr syndrome

Patient organizations

Source: NIH GARD · Conductive deafness-ptosis-skeletal anomalies syndromeGARD ID 305 · 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 Conductive deafness-ptosis-skeletal anomalies syndrome.

Explore the Conductive deafness-ptosis-skeletal anomalies syndrome blog

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HealthSpark

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  • Eligibility is confirmed by the study team

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