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Living with Hirschsprung disease-hearing loss-polydactyly syndrome

An extremely rare genetic condition with a bowel problem, hearing loss, extra fingers or toes, and a missing kidney.

Understanding Hirschsprung disease-hearing loss-polydactyly syndrome

Hirschsprung disease-hearing loss-polydactyly syndrome is an extremely rare condition present from birth.

It has been described in only two siblings, and not in the medical literature since 1988. It includes Hirschsprung disease, where part of the colon lacks nerve cells, leading to constipation and a swollen belly. It also includes extra fingers or toes, one missing kidney, wide-set eyes, and hearing loss from birth.

Signs & symptoms

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

  • Colon lacking nerve cells (aganglionic megacolon)
  • Hearing loss from inner ear changes
  • Extra little finger (postaxial polydactyly)
  • Extra toes (foot polydactyly)
  • Missing kidney (renal agenesis)
  • Wide-set eyes (hypertelorism)

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 digestive system 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.

Care & treatment

Care team
Digestive system specialists (gastroenterologists); Ear, nose, and throat specialists (otolaryngologists); 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 Pull-thru Network 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
How is bowel health managed with Hirschsprung disease?
What hearing support is available?
Should the kidneys be checked with imaging?

Quick facts

Symptoms usually startNewborn
InheritanceAutosomal Recessive

Changes in genes (also called variants) cause this condition. It is autosomal recessive, so a child inherits a changed copy of the gene from each parent.

GeneticGastrointestinal

Also known as: hirschsprung disease with polydactyly, renal agenesis, and deafness; hirschsprung disease-deafness-polydactyly syndrome; santos-mateus-leal syndrome

Patient organizations

  • Pull-thru NetworkHirschsprung disease-hearing loss-polydactyly syndrome · United States
  • REACHHirschsprung disease-hearing loss-polydactyly syndrome · United States
Source: NIH GARD · Hirschsprung disease-hearing loss-polydactyly syndromeGARD ID 157 · 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 Hirschsprung disease-hearing loss-polydactyly syndrome.

Explore the Hirschsprung disease-hearing loss-polydactyly syndrome blog

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