Focal cortical dysplasia type I Focal cortical dysplasia type Ia 2018-09-16T11:03:23Z true true peter A subtype of focal cortical dysplasia type I that is characterized by abnormal radial cortical lamination. https://www.ncbi.nlm.nih.gov/pubmed/31085954 FCD Type IA (Abnormal Radial Cortical Lamination) FCD Type I refers to isolated lesions, which present either as radial (FCD Type Ia) or tangential (FCD Type Ib) dyslamination of the cortex, that may be identified in one or multiple lobes of the brain. http://www.case.edu/EpSO.owl#FocalCorticalDysplasiaTypeIA