All of following are neural tube defects except:: (A) Myelomeningocele, (B) Anencephaly, (C) Encephalocele, (D) Holoprosencephaly
Answer is D. d. Holoprosencephaly(Ref: Nelson's 20/e p 2802-2803, Ghai 8/e p 575-577)Different types of neural tube defects are: Spina bifida occulta, meningocele, encephalocele, myelomeningocele, anencephaly, caudal regression syndrome, dermal sinus, tethered cord, syringomyelia, diastematomyelia and iniencephaly Holoprosencephaly is incomplete separation of the cerebral hemispheres across the midline.