Gustavson syndrome

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Gustavson syndrome
File:X-linked recessive (2).svg
Synonyms
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Specialty	Medical genetics
Symptoms	Intellectual disability, seizures, hypotonia, microcephaly
Complications	N/A
Onset	Infancy
Duration	Lifelong
Types
Causes	Genetic mutation
Risks	Family history of the condition
Diagnosis	Genetic testing, clinical evaluation
Differential diagnosis	Other forms of intellectual disability
Prevention	Genetic counseling
Treatment	Supportive care, anticonvulsants
Medication
Prognosis	Varies, generally poor
Frequency	Rare
Deaths

Gustavson syndrome is a rare genetic disorder characterized by intellectual disability, hearing loss, and distinct facial features. It was first described by Swedish physician P. Gustavson in 1986, hence the name. The syndrome is also known as Gustavson's Syndrome or Gustavson's Mental Retardation Syndrome.

Etiology

The exact cause of Gustavson syndrome is unknown. However, it is believed to be a genetic disorder inherited in an autosomal recessive manner. This means that an individual must inherit two copies of the defective gene, one from each parent, to develop the syndrome.

Symptoms

The primary symptoms of Gustavson syndrome include intellectual disability, hearing loss, and distinct facial features such as a prominent forehead, wide-set eyes, and a thin upper lip. Other symptoms may include seizures, microcephaly (small head size), and hypotonia (low muscle tone).

Diagnosis

Diagnosis of Gustavson syndrome is based on clinical examination and the presence of characteristic symptoms. Genetic testing may be used to confirm the diagnosis and identify the defective gene.

Treatment

There is currently no cure for Gustavson syndrome. Treatment is symptomatic and supportive, and may include physical therapy, speech therapy, and occupational therapy to help improve the individual's quality of life.

Prognosis

The prognosis for individuals with Gustavson syndrome varies. Some individuals may have a normal lifespan, while others may have a shortened lifespan due to complications associated with the syndrome.

See also

• List of genetic disorders
• Intellectual disability
• Hearing loss

NIH genetic and rare disease info

• NIH info on Gustavson syndrome

Gustavson syndrome is a rare disease.