title: Exposure of two interspaces for lumbar disc surgery.
abstract: In a study of matched pairs of patients with a single ruptured disc, exploration of an additional lumbar interspace did not increase the morbidity of surgery. The author believes that the desire to avoid additional surgery does not, by itself, justify routine myelography.
mesh_terms: D002921:Cicatrix / Q000209:etiology; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000000981:diagnostic imaging / Q000601:surgery*; D009192:Myelography; D009493:Neurosurgery / Q000379:methods*; D011183:Postoperative Complications