cebocephaly and proboscis in holoprosencephaly fetal ultrasound

Cebocephaly refers to a type of rare midline craniofacial anomaly where there is a single nostril (which usually ends blindly) with proboscis-like nose and hypotelorism

Proboscis is a rare congenital anomaly where an anterior appendage-like structure is seen projecting from the midline fetal face/forehead. Depending on the exact location, this has further been classified into various subtypes (e.g. interorbital proboscis