Neural tube defect involving the occiput combined with rachischisis
of the cervical and thoracic spine with extreme retroflexion of the head.
Inion — greek word for occiput.
Fatal condition, consistent with anencephaly.
16 week male fetus, iniencephaly and craniorhachischisis; karyotype 46XY:
Ineincephaly, Macro, autopsy (72742)
Ineincephaly, Macro, autopsy (72743)
The same case, US examination:
Iniencephaly, Ultrasound (72980)