<prompt> What is the diagnosis in this infant with a large head?AnencephalyHydranencephalyHydrocephalusHydrops fetalis  <response>: The given image shows absence of cerebral hemispheres, which are replaced with fluid filled sacs. This condition is known as Hydranencephaly -Hydrocephalus:- condition in which an accumulation of cerebrospinal fluid CSF occurs within the brain. -Anencephaly:- Absence of a major poion of the brain, skull, and scalp. 