Critical Evaluation of MRI and Percutaneous Ultrasound Following Spinal Intra- and Extramedullary Shunting: Long-term Results After Drainage Procedure of Syringomyella and Cystic Lesions in 21 Patients
In 1891 Abbe and Coley were the first to treat syringomyelia by surgery, and in 1926 Puusepp published the first report on a series with surgical interventions in syringomyelia (Table 1). The results were encouraging. Nevertheless, until the 1970s, surgical procedures in syringomyelia were rarely performed. The syringomyelia in ArnoldChiari malformation was one of the classic indications for operation. However, surgeons discussed for many years whether syringomyelia may be associated with trauma or not. The diagnostic revolution of CTassisted myelography and even more so that of MRI provided reliability in the diagnosis of syringomyelia. A fair number of posttraumatic intramedullary cysts were thus diagnosed, and the number of surgical interventions consequently increased. In a total of 350 publications, 3591 cases of syringomyelia have been reported, and 1803 of these patients underwent a surgical procedure. Therefore, the number of operated cases has increased threefold since Levy’s publication in 1983.
KeywordsArachnoid Cyst Chiari Malformation Spinal Dura Spinal Arachnoid Cyst Spinal Dura Mater
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