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Stickler syndrome

Stickler syndrome is a group of hereditary conditions that are characterised by a distinctive facial appearance, eye abnormalities, hearing loss, and joint problems. These signs and symptoms vary widely among affected individuals, even among members of the same family.

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Stickler syndrome is a group of hereditary conditions that are characterised by a distinctive facial appearance, eye abnormalities, hearing loss, and joint problems. These signs and symptoms vary widely among affected individuals, even among members of the same family.

A characteristic feature of Stickler syndrome is a flattened facial appearance that results from underdeveloped bones in the middle of the face. A particular group of physical features called Pierre Robin sequence is also common in people with Stickler syndrome. Pierre Robin sequence includes an opening in the roof of the mouth (a cleft palate), a tongue that is placed further back than normal (glossoptosis), and a small lower jaw (micrognathia). This combination of features can lead to feeding problems and difficulty breathing after birth.

Many individuals with Stickler syndrome have severe nearsightedness (high myopia), which means they have trouble seeing things that are far away. In some cases, the clear gel that fills the eyeball (the vitreous) has an abnormal appearance, which is noticeable during an eye examination. Other eye problems are also common in people with Stickler syndrome, including increased pressure within the eye (glaucoma), clouding of the lens of the eyes (cataracts), and tearing of the light-sensitive tissue at the back of the eye (retinal detachment). These eye abnormalities can impair vision and may lead to blindness.

Hearing loss is also common in people with Stickler syndrome. In affected individuals, the degree of hearing loss can vary and may worsen over time. People with Stickler syndrome typically have sensorineural hearing loss (caused by changes in the inner ear) with or without conductive hearing loss (caused by changes in the middle ear).

Most people with Stickler syndrome have joint abnormalities. Arthritis often develops early in life and may cause joint pain or stiffness. People with severe joint disease may need surgery to replace damaged joints in their 20s or 30s. Affected individuals may also have abnormal curvature of the spine (scoliosis or kyphosis) that causes back pain.

Researchers have described several types of Stickler syndrome, which are distinguished by their genetic causes, features, and patterns of inheritance. In particular, the eye abnormalities and severity of hearing loss vary among the different types. Some types of Stickler syndrome are very rare and have been diagnosed in only a few individuals.

Padrões de herança

The source lists the following possible inheritance patterns: Autosomal dominant+New variant; Autosomal recessive. More than one pattern can apply in different cases.

Other names

Arthroophthalmopathy

Hereditary arthro-ophthalmo-dystrophy

Hereditary arthro-ophthalmopathy

Stickler dysplasia

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  • 19 Dez 2024 | Última versão
  • 1 Dec 2024 | Publicado originalmente

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