Scalp defects-postaxial polydactyly syndrome

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Scalp defects-postaxial polydactyly syndrome
Synonyms
Pronounce
Specialty	Medical genetics
Symptoms	Scalp defects, postaxial polydactyly
Complications	N/A
Onset
Duration
Types
Causes	Genetic mutation
Risks
Diagnosis	Clinical examination, genetic testing
Differential diagnosis
Prevention
Treatment	Surgical correction
Medication
Prognosis
Frequency
Deaths

Scalp defects-postaxial polydactyly syndrome is a rare genetic disorder characterized by the presence of scalp defects and postaxial polydactyly. This syndrome falls under the category of genetic disorders that affect both the skin and the development of the limbs. Scalp defects refer to missing patches of skin on the scalp, which can vary in size and severity. Postaxial polydactyly is a condition where an individual has extra fingers or toes on the side of the hands or feet, respectively, that is furthest from the body (postaxial).

Causes

The exact cause of scalp defects-postaxial polydactyly syndrome is not well understood, but it is believed to involve genetic mutations that affect the development of the skin and limbs during fetal growth. The condition is thought to be inherited in an autosomal recessive manner, meaning that an individual must inherit two copies of the mutated gene, one from each parent, to be affected.

Symptoms

The primary symptoms of this syndrome include:

• Scalp defects: Areas on the scalp where skin is missing, which can lead to complications such as infection or increased sensitivity to the sun.
• Postaxial polydactyly: The presence of extra fingers or toes on the outer sides of the hands or feet. This can vary from small, easily removable nubbins to fully formed and functional digits.

Other symptoms may vary between individuals and can include additional skin abnormalities, skeletal abnormalities, and in some cases, intellectual disability.

Diagnosis

Diagnosis of scalp defects-postaxial polydactyly syndrome is primarily based on the physical symptoms present at birth or identified shortly thereafter. Genetic testing may be used to confirm the diagnosis and to understand the specific mutation causing the syndrome. Prenatal diagnosis may be possible if there is a known risk of the syndrome in the family.

Treatment

Treatment for scalp defects-postaxial polydactyly syndrome is symptomatic and supportive. Management may include:

• Surgical correction of postaxial polydactyly to remove extra digits and possibly improve function of the hands or feet.
• Careful management of scalp defects to prevent infection and protect the area from sun exposure. This may include the use of protective headgear and skin grafts in severe cases.
• Regular monitoring for any additional complications that may arise, such as skeletal abnormalities or developmental delays, with appropriate interventions as needed.

Prognosis

The prognosis for individuals with scalp defects-postaxial polydactyly syndrome varies depending on the severity of the symptoms and the presence of any associated complications. With appropriate management, most individuals can lead a normal life. However, ongoing medical care may be required for skin and limb abnormalities.

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