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Living with Ectodermal dysplasia-sensorineural deafness syndrome

A very rare inherited condition with brittle, sparse hair, hearing loss, and bent little fingers.

Understanding Ectodermal dysplasia-sensorineural deafness syndrome

Ectodermal dysplasia-sensorineural deafness syndrome is a very rare inherited condition with hidrotic ectodermal dysplasia, hearing loss, and bent fifth fingers.

GARD says it has been described in a brother and sister born to parents who are related. Hidrotic ectodermal dysplasia affects the hair, nails, and skin while sweating is typically normal. People have inner ear hearing loss and a contracture (permanent bend) of the fifth fingers. The girl also had scoliosis. It begins in infancy or childhood.

Signs & symptoms

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

  • Hearing loss (sensorineural)
  • Brittle, coarse, or sparse hair
  • Bent fifth fingers (contracture)
  • Scoliosis or hunched back
  • Thickened skin (hyperkeratosis)
  • Dental cavities

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 ear, nose, and throat specialists, 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
Ear, nose, and throat specialists (otolaryngologists); 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
Would genetic testing help our family?
What hearing support is available?
Should the spine and teeth be monitored?

Quick facts

Symptoms usually startInfant and as a Child
InheritanceAutosomal Recessive

GARD says changes in a person's genes cause this condition. GARD notes the likely inheritance is autosomal recessive, meaning a child inherits a changed copy of the gene from each parent.

GeneticSkin

Also known as: ectodermal dysplasia and neurosensory deafness; ectodermal dysplasia-sensorineural hearing loss syndrome

Patient organizations

Source: NIH GARD · Ectodermal dysplasia-sensorineural deafness syndromeGARD ID 9723 · 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 Ectodermal dysplasia-sensorineural deafness syndrome.

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