The two are not necessarily related. Generally speaking, congenital myotuberculosis, if left untreated, can affect the blood supply to the affected side of the neck and face, resulting in developmental deformities of the neck and face. However, children with congenital myelomeningocele may also be mentally handicapped if they have suffered a severe birth injury during childbirth, resulting in congenital myelomeningocele combined with ischaemic and hypoxic brain damage.