label: lissencephaly with cerebellar hypoplasia type B
label_lc: lissencephaly with cerebellar hypoplasia type b
description: Lissencephaly with cerebellar hypoplasia type B (LCHb) is a form of lissencephaly with cerebellar hypoplasia characterized by subtle microcephaly, hypotonia and neurological and cognitive development delay. Hippocampal malformation is a characteristic imaging feature of LCHb.