label: lissencephaly with cerebellar hypoplasia type F
label_lc: lissencephaly with cerebellar hypoplasia type f
description: Lissencephaly with cerebellar hypoplasia type F (LCHf) is a severe form of lissencephaly with cerebellar hypoplasia, characterized by a microcephaly of at least - 3 SD and a thick cortex associated with complete absence of the corpus callosum.