Scoliosis uses the 45 to 50° threshold as a result of the well-documented, plus or minus 5° measurement error that can occur while measuring Cobb angles. Surgeons who are specialized in spine surgery perform surgery for scoliosis. To completely straighten a scoliotic spine is usually impossible, but for the most part, significant corrections are achieved. The two main types of surgery are: One or both of these surgical procedures may be needed. The surgery may be done in one or two stages and, on average, takes four to eight hours. A 50-year follow-up study published in the "Journal of the American
Body without organs But every actual body also has a virtual dimension: a vast reservoir of potential traits, connections, affects, movements, etc. This collection of potentials is what Deleuze calls the BwO. The full body without organs is "schizophrenia as a clinical entity" ("Anti-Oedipus," p. 310). This drop in intensity is a means of blocking all investments of reality: "the unproductive, the sterile, the unengendered, the unconsumable" ("Anti-Oedipus," p. 9). Unlike other social machines such as the Body of the Earth, the Body of the Despot or the Body of Capital, the full body without organs cannot inscribe other bodies. The body without