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Living with Bosley-Salih-Alorainy syndrome

A rare genetic syndrome with eye movement trouble, deafness, and blood vessel and heart differences.

Understanding Bosley-Salih-Alorainy syndrome

Bosley-Salih-Alorainy syndrome (BSAS) is a rare genetic syndrome with trouble moving the eyes sideways, deafness, and blood vessel and heart differences.

It is noted in newborns and infants. Deafness in both ears is profound and often comes with inner ear differences. Other features include developmental delay and sometimes autism. It overlaps with Athabaskan brain dysfunction syndrome, but BSAS does not cause central hypoventilation (slow breathing controlled by the brain).

Signs & symptoms

GARD describes these features:

  • Trouble moving the eyes sideways (horizontal gaze)
  • Profound hearing loss in both ears
  • Inner ear differences
  • Blood vessel differences in the brain (carotid artery)
  • Heart differences
  • Developmental delay

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 brain and nervous system specialists, ear, nose, and throat specialists, genetic specialists and heart and blood vessel specialists.

  3. Consider genetic testing

    Changes in HOXA1 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Ear, nose, and throat specialists (otolaryngologists); Genetic specialists (geneticists); Heart and blood vessel specialists (cardiologists)
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
Bring these questions to your next doctor visit
Can HOXA1 gene testing confirm the diagnosis?
Which hearing options, such as implants, should we explore?
How will heart and brain blood vessels be checked?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Recessive
GenesHOXA1

Changes in the HOXA1 gene cause this condition. It is autosomal recessive, which means a child inherits a changed copy of the gene from each parent.

GeneticNeurological

Also known as: bosley salih alorainy syndrome; bsas

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Bosley-Salih-Alorainy syndromeGARD ID 16684 · 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 Bosley-Salih-Alorainy syndrome.

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