title: [Late posttraumatic syringomyelic syndromes. Pathogenetic theories apropos of 3 cases].
abstract: Three patients with a post-traumatic spinal cord cavity are described: clinical signs are identical to those of syringomyelia, but pain is more frequent. Diagnosis is made easier by magnetic resonance imaging (MRI) and a syringoperitoneal shunt is proposed for treatment. Nevertheless, if results are good, they seem worse than in idiopathic syringomyelia. The main pathogenic theories are discussed: the rupture and coalescence of microcysts developed at a distance of 1 or 2 mm from the transected spinal cord, subsequently leads to syrinx formation; haemorrhagic or ischemic post-traumatic areas could also lead to syrinx formation. Hydrodynamic factors could be expected and make the pathogenesis not far from syringomyelic one.
mesh_terms: D000328:Adult; D004322:Drainage; D005260:Female; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000175:diagnosis; D013116:Spinal Cord / Q000473:pathology*; D013119:Spinal Cord Injuries / Q000150:complications*; D013577:Syndrome; D013595:Syringomyelia / Q000175:diagnosis / Q000209:etiology* / Q000601:surgery
vernacular_title: Syndromes syringomyéliques post-traumatiques tardifs. Théories pathogéniques à propos de trois observations.