Microlissencephaly

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Obesity, Sleep & Internal medicine
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Microlissencephaly
Synonyms	N/A
Pronounce	N/A
Specialty	N/A
Symptoms	Microcephaly, seizures, developmental delay
Complications	Intellectual disability, motor dysfunction
Onset	Congenital
Duration	Lifelong
Types	N/A
Causes	Genetic mutations
Risks	Family history of genetic disorders
Diagnosis	MRI, genetic testing
Differential diagnosis	Lissencephaly, microcephaly
Prevention	N/A
Treatment	Supportive care, anticonvulsant medications
Medication	N/A
Prognosis	Variable, often poor
Frequency	Rare
Deaths	N/A

Microlissencephaly is a rare neurological disorder characterized by a smaller than normal brain and abnormalities in the brain's structure. It is a type of lissencephaly, a group of conditions characterized by a lack of normal folds and grooves in the brain. Microlissencephaly is caused by mutations in certain genes and is typically diagnosed in infancy or early childhood.

Symptoms

The symptoms of microlissencephaly can vary widely, but often include seizures, developmental delay, intellectual disability, and microcephaly (a smaller than normal head size). Other symptoms can include spasticity (stiff or rigid muscles), hypotonia (low muscle tone), and difficulties with movement and coordination.

Causes

Microlissencephaly is caused by mutations in certain genes. These mutations can be inherited from parents or can occur spontaneously. The specific genes involved can vary, but often include the TUBA1A, TUBB2B, and TUBB3 genes. These genes are involved in the formation and function of microtubules, which are part of the cell's structural framework.

Diagnosis

Diagnosis of microlissencephaly is typically made based on the symptoms, a physical examination, and imaging studies of the brain. Magnetic resonance imaging (MRI) is often used to visualize the brain and identify the characteristic abnormalities of microlissencephaly. Genetic testing can also be used to identify the specific gene mutations causing the condition.

Treatment

There is currently no cure for microlissencephaly, and treatment is focused on managing the symptoms. This can include medications to control seizures, physical and occupational therapy to help with movement and coordination, and special education services to help with developmental delays and intellectual disability.

Prognosis

The prognosis for individuals with microlissencephaly can vary widely, depending on the severity of the symptoms and the specific gene mutations involved. Some individuals may have a relatively normal lifespan, while others may have a shortened lifespan due to complications of the condition.

See also

• Lissencephaly
• Neurological disorders
• Genetic disorders

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