MONDO_0012891 (pontocerebellar hypoplasia type 2C) is any non-syndromic pontocerebellar hypoplasia in which the cause of the disease is a mutation in the TSEN34 gene. Also known as: TSEN34 non-syndromic pontocerebellar hypoplasia, non-syndromic pontocerebellar hypoplasia caused by mutation in TSEN34.