• Mayank Garg, Amandeep Kumar, and Dattaraj Parmanand Sawarkar.
• Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India.
• World Neurosurg. 2018 May 1; 113: e166-e171.

ObjectiveTo apprise readers about this rare but severest form of traumatic spine injury and its surgical management.BackgroundComplete fracture dislocation and subluxation (>100%) of 1 vertebral body in the coronal or sagittal plane with respect to the adjacent vertebra is defined as spondyloptosis. In coronal spondyloptosis the subluxated vertebral bodies lie beside each other, and the condition is lateraloptosis. Patients with lateraloptosis present unique surgical challenges because reduction and achieving realignment of spinal column require meticulous planning and execution.MethodsA retrospective analysis of patients admitted with lateraloptosis over a 4-year period (2013-2016) was done. Lateraloptosis was defined on computed tomography as complete subluxation of the spinal column with more than 50% of adjacent vertebral bodies lying directly lateral to each other.ResultsFive men, ranging from 18 to 50 years (mean, 35.2 years) old were included in the study. Three patients had thoracic spine lateraloptosis, and in 2 the injury was at the thoracolumbar junction. All patients underwent single-stage posterior surgical reduction and fixation. Intraoperatively, cord transection was seen in 3 patients, and dural tear with cerebrospinal fluid leak was seen in 1 patient. The mean follow-up period was 14 months (range, 1-36 months), during which 1 patient died of complications arising from bedsores. All patients remained at American Spinal Injury Association grade A neurologically.ConclusionLateraloptosis is difficult to treat, and the aim of surgery is to stabilize the spine. Rehabilitation remains the most crucial factor, but the scarcity of proper rehabilitation centers results in high mortality and morbidity.Copyright © 2018 Elsevier Inc. All rights reserved.

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