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Arsalaan Salehani, Sasha Howell, and Daniel Harmon

BACKGROUND

Central nervous system neurenteric cysts (NCs) represent a rare entity thought to arise from failure of the separation of endodermal and neuroectodermal elements during week 3 of embryogenesis. They account for 0.7–1.3% of all spinal cord lesions and are typically intradural extramedullary lesions located near the cervicothoracic junction. Most NCs are associated with multisystem malformation disorders, making a solitary extramedullary NC a rare entity.

OBSERVATIONS

A 45-year-old man presented with progressive right lower-extremity weakness and an inability to walk. Cervical spine magnetic resonance imaging demonstrated an approximately 1.6 × 1.1 × 2.7–cm, T2 hyperintense, nonenhancing, intradural, extramedullary cystic lesion at the level of C6–7 eccentric to the right with atrophy of the spinal cord. An anterior surgical approach was used for resection of the cyst in totality with C6–7 corpectomies and anterior plating and fixation from C5 to T1. Postoperatively at 1 month, the patient denied any significant neck or arm pain and demonstrated improving right lower-extremity strength, allowing some funcitonal independence.

LESSONS

A solitary, extramedullary cervical NC is a rare entity, with a posterior surgical approach for resection primarily described in the literature. The authors present anterior corpectomy and plating with fixation as a viable surgical approach for this rare pathology.

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Kathrin Zimmerman, Nathan A. Shlobin, Arsalaan Salehani, and Brandon G. Rocque

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Jacob R. Lepard, Kathrin D. Zimmerman, Anastasia A. Arynchyna, Jessica A. Gutman, Arsalaan A. Salehani, Brandon G. Rocque, and Curtis J. Rozzelle

OBJECTIVE

Surgical treatment of herniated lumbar disc (HLD) remains rare in children. The purpose of this study was to evaluate for potential disease risk factors leading to surgery based on a large single-center experience.

METHODS

Data for all patients who had undergone surgical treatment for HLD between December 2008 and December 2016 at a single pediatric tertiary care referral center were collected and compared to data for a healthy control population obtained through a Youth Risk Behavior Surveillance System (YRBSS) survey in order to determine relevant disease risk factors. Univariate and multivariate logistic regression were used to determine the effect of potential risk factors.

RESULTS

Twenty-seven patients in the disease cohort and 5212 healthy controls from the general population were included in the risk factor analysis. The mean body mass index was significantly higher in the disease population (30.2 vs 24.0 kg/m2, p < 0.0001). Children who had undergone microdiscectomy were more likely to be obese (OR 7.4, 95% CI 3.46–15.8, p < 0.001). No association was found between lumbar microdiscectomy and sports participation (OR 1.0, 95% CI −0.002 to 0.005, p = 0.37).

CONCLUSIONS

Microdiscectomy remains a viable and safe option in the setting of failed conservative management for pediatric HLD. Childhood obesity is a risk factor for HLD and many other diseases, which increases its importance as a public health priority.