Neuropediatrics
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The simultaneous appearance of congenital infiltrating lipomatosis of the face that causes facial hemihypertrophy and ipsilateral hemimegalencephaly is extremely rare. We report a 4-year-old boy with congenital facial asymmetry and infantile-onset epilepsy. Magnetic resonance imaging (MRI) results led to the diagnosis of infiltrating lipomatosis of the face; the diagnosis was confirmed on the basis of the results of pathological examinations. ⋯ His seizures were so intractable that they necessitated functional hemispherectomy. The lipomatous lesion was successfully resected without relapse. Psychomotor delay and left hemiplegia were observed at the last follow-up.