• Rev Chir Orthop Reparatrice Appar Mot · Nov 2008

    Case Reports

    [Paraplegia after interlaminar epidural steroid injection: a case report].

    • T Lenoir, X Deloin, C Dauzac, L Rillardon, and P Guigui.
    • Service de chirurgie orthopédique, hôpital Beaujon, Assistance publique-Hôpitaux de Paris, 100, boulevard du Général-Leclerc, 92110 Clichy, France.
    • Rev Chir Orthop Reparatrice Appar Mot. 2008 Nov 1; 94 (7): 697-701.

    AbstractWe report the first case of paraplegia observed after epidural steroid injection in the upper spine. The patient was a 42-year-old male who underwent surgery two years earlier for stenosis of the lumbar spine from L2 to the sacrum leading to early manifestations of an equina cauda syndrome. This first operation provided satisfactory function with complete resolution of the objective neurological symptoms. The patient later developed bilateral radiculalgia involving the L3 and L4 territories and was treated by radio-guided epidural steroid injection (125 mg hydrocortancyl) delivered in the L1-L2 interlaminar space. The injection was achieved with no technical difficulty and there was no injury to the dural sac. Immediately after the injection, the patient developed complete motor and sensorial paraplegia from T12. CT and MRI performed 30 min and 4h, respectively, after the accident revealed a medium-sized discal herniation behind the L2 body. No other lesion was observed. Emergency surgery was performed for radicular release but to no avail. The patient's neurological status remained unchanged and four days later the T2 MRI sequence revealed a high-intensity intramedullar signal in the cone. The diagnosis of ischemia of the medullary cone was retained, hypothetically by injury to the dominant radiculomedullary artery via an undetermined mechanism. This complication has been previously described after upper foraminal steroid injections but not after intralaminar epidural steroid injection.

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