Definition:
Hemimegalencephaly otherwise known as unilateral megancephaly is a medical condition that is characterized by the enlargement or abnormal growth of one-half of the brain.
Diagnosis:
Diagnosis includes cross-sectional imaging, CT Scan and MR imaging are used to diagnose the medical condition (Barkovich AJ, Chuang SH. Unilateral megalencephaly: correlation of MR imaging and pathologic characteristics. AJNR Am J Neuroradiol 1990; 11:523-531).
Treatment:
The most common used to treat the medical condition is the surgery of the affected side of the brain. This is usually done to control seizures.
Symptoms and Signs:
The symptoms of Hemimegalencephaly include delay in the development, convulsive disorders, brain cortex and spinal cord dysfunction and seizures.
Causes:
It is usually hereditary. The enlargement of the one side of the braid causes imbalance and seizure and later on retardation.
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