The other one was born at the age of 34 weeks by caesarean section because of hyclrocephalus.Thickening of the cerebral mantle was found after ventriculo-peritoneal shunt insertin.

• 另一例在怀孕34周时，因胎儿头很大而剖腹生产，生产后因水脑症接受脑室一腹腔分流手术。