This baby was born at term. He was hypotonic, had a large transilluminating head, and died at 2 days of age. The brain at autopsy is shown below. Which of the following statements about the brain pathology is not true:
- The primary lesion is extreme hydrocephalus
- The lesion is due to destruction of cortex and aqueductal atresia
- There may be preservation of the temporal lobe, brainstem and cerebellum
- The infant may appear normal in the first day of life