Lateral Meningocele Syndrome, also known as lehman syndrome, is related to meningocele and cerebral arteriopathy, autosomal dominant, with subcortical infarcts and leukoencephalopathy, type 1. An important gene associated with Lateral Meningocele Syndrome is NOTCH3 (Notch Receptor 3), and among its related pathways/superpathways are Gene expression (Transcription) and Infectious disease. Affiliated tissues include spinal cord and heart, and related phenotypes are ptosis and micrognathia