Hemimegalencephaly
Hemimegalencephaly (pronunciation: heh-mee-meg-uh-len-SEF-uh-lee) is a rare neurological condition characterized by the abnormal enlargement (megalencephaly) of one half (hemi-) of the brain.
Etymology
The term hemimegalencephaly is derived from the Greek words hemi meaning half, megas meaning large, and encephalos meaning brain.
Definition
Hemimegalencephaly is a form of congenital disorder where one half of the brain, or one side of the cerebral hemisphere, is abnormally larger than the other. This condition can affect either the left or right side of the brain.
Symptoms
The symptoms of hemimegalencephaly can vary greatly among individuals. Common symptoms include seizures, developmental delay, intellectual disability, and motor abnormalities.
Diagnosis
Diagnosis of hemimegalencephaly is typically made based on clinical evaluation, detailed patient history, and a variety of specialized tests including magnetic resonance imaging (MRI) and computed tomography (CT) scans.
Treatment
Treatment for hemimegalencephaly is symptomatic and supportive. This may include medications to control seizures, physical therapy to improve motor skills, and special education services to address developmental delays. In severe cases, surgery may be required to remove or disconnect the affected part of the brain.
Prognosis
The prognosis for individuals with hemimegalencephaly varies and depends on the severity of the condition and the success of treatment.
See also
- Neurology
- Neurological disorder
- Congenital disorder
- Seizure
- Magnetic resonance imaging
- Computed tomography
External links
- Medical encyclopedia article on Hemimegalencephaly
- Wikipedia's article - Hemimegalencephaly
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