Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery
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Unusual morphological findings were encountered in a high cervical meningomyelocele sac of a neonate. Magnetic resonance imaging revealed a massive liquid-filled sac traversed by a linear structure. The spinal cord was seen to be located normally within the spinal canal. ⋯ The whole of this cord, along with the meningomyelocele sac, was excised. Histological analysis confirmed that this spinal cord-like structure consisted of glial tissue with an ependymal-lined cavity. The excised sac was lined by neural tissue.
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The most favorable type of traumatic intracranial bleeding in childhood is the extradural hemorrage (EDH). The posterior fossa location is less frequent than the supratentorial site. In the period from January 1989 to January 1994 we treated 2,372 patients with craniocerebral trauma; 31 had extradural hematomas (1.3%); 3 of them were located in the posterior fossa (9.7%): 1 boy and 2 girls aged from 6 to 16 years. ⋯ The three patients were operated on without mortality and there was no morbidity. The role of CT in the early detection of lesions and prompt surgical evacuation may reduce the mortality and morbidity from this lesion. The interaction between these factors is discussed.