Arnold-Chiari malformation with associated analogous malformation of the midbrain.
D000015:Abnormalities, Multiple; D001139:Arnold-Chiari Malformation / Q000150:complications*; D000013:Congenital Abnormalities; D006801:Humans; D008636:Mesencephalon / Q000002:abnormalities*
ABNORMALITIES; ARNOLD-CHIARI MALFORMATION/complications; MESENCEPHALON/abnormalities