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Welcome to the Global Spine Congress 2018!

AOSpine invites you to the 7th Annual Global Spine Congress (GSC), which will take place in Singapore from 2-5 May, 2018.

The GSC - the only truly International Spine Congress of its kind - is one of the biggest gatherings for thousands of spine surgeons from all over the world. The congress provides an outstanding forum to exchange ideas, network with fellow spine professionals, and to learn about the latest research, techniques, and technologies in spine surgery.

Welcome to Journal of Spine Surgery (JSS)

Welcome to Journal of Spine Surgery (JSS), an Open-Access journal devoted to exploring many contemporary issues affecting spine surgery, patient care and the basic sciences that form the foundation of surgical management. The Journal of Spine Surgery is intended to be an international spine journal with an Australasian platform for the exchange of ideas, experiences, new findings and developments in the treatment and outcomes of spinal care.

Advantages and disadvantages of posterolateral approach for percutaneous endoscopic lumbar discectomy

Preoperative radiographic findings regarding the location and type of lumbar disc herniation (LDH). LDH is classified into 3 types according to the location of herniation on axial MRI: foraminal (A), extraforaminal (B), and combined (C). White arrowheads indicate herniated nucleus. The foraminal height (dotted line) and width (solid line) were calculated on sagittal view of preoperative CT (D).

The importance of loading the periphery of the vertebral endplate

The vertebrae were divided into two groups based on the type of mass produced implant (MPI) used in the testing. Group 1 used a 3D-printed titanium ALIF MPI (4WEB) (A); group 2 used PEEK ALIF MPI (K2M) (B). These MPI sizes were chosen based on the size of the 16 cadaveric vertebrae used in the study. An aluminum plate was also cut to match the profile of the largest vertebral endplate (C). This was done to ensure that the whole endplate, including the bony periphery, would be loaded for all specimens.

Pan-spinal infection: a case series and review of the literature

A 45-year-old male, with a past history of intravenous drug use (IVDU), chronic hepatitis C infection and alcoholism, was admitted for 2-week history of weakness and paraesthesia of bilateral lower limbs, with power of 4/5 (Medical Research Council–MRC grading) as well as both urinary and fecal incontinence. MRI full spine revealed extensive epidural abscess along the whole spinal canal.

Cervical spine immobilisation in the elderly population

Immobilization of the cervical spine is a cornerstone of spinal injury management. It is hypothesised that the increased thoracic kyphosis and loss of cervical lordosis seen in elderly patients may require alternative cervical immobilisation, compared with the ‘neutral position’. A) Preoperative CT scout film showing extended position of the C-spine with the gaze pointing upwards; (B) cervical spine CT sagittal midline image showing posterior displacement and angulation of the C2 fracture fragment in this position; (C) postoperative CT scout film showing slightly kyphosed chin-brow horizontal angle but a nearly horizontal gaze; (D) postoperative cervical spine CT sagittal midline image showing reduction of the fracture displacement in this position.

Effects of cement augmentation on the mechanical stability of multilevel spine after vertebral compression fracture

Three-centreline method for measuring intervertebral disc space. To measure the disc space, 2 straight lines were drawn from 4 landmarks, A-D, chosen as the lowermost corners of the vertebral bodies adjacent to the disc space being measured. Three additional lines dividing the first two lines equally were drawn. Disc space was measured at sites 1, 2 and 3 using ImageJ, and the 3 lengths were averaged and scaled to obtain an approximation of the intervertebral disc space height.

Journal of Spine Surgery (JSS) is Now Indexed in PubMed Central

It is our pleasure to share a good news that the Journal of Spine Surgery (JSS) is now officially accepted for inclusion in PubMed Central (PMC), an extensive and important biomedical online journal repository, and all articles published in JSS will be searchable in PMC as soon as the indexation process is finished. Consequently, authors publishing in JSS will enjoy maximum exposure of their research.

Single-level selective dorsal rhizotomy for spastic cerebral palsy

Intra-operative photomicrographs during a single-level selective dorsal rhizotomy (SDR) (A,B,C) and an electromyography (EMG) monitoring screen (D). In (A) the plane (solid arrow) between the dorsal sensory roots (white arrow) and the ventral motor roots, at the conus, is demonstrated. In (B) the dorsal roots have been identified and slung. Systematic stimulation of each of the divided rootlets is then carried out using dedicated Peacock probes (C). (D) shows a typical screenshot of a Grade IV response on the EMG monitoring screen; stimulation of the L5 nerve root (arrow) results in a diffuse bilateral EMG response.

Clinical presentation and surgical outcomes of an intramedullary C2 spinal cord cavernoma: a case report and review of the relevant literature

A 56-year-old male presented with sensory changes in his right hand which progressed over a period of weeks to bilateral sensory changes in the upper and lower limbs, gait imbalance, urinary and faecal incontinence and loss of temperature perception. Immediately postoperatively, dense hemiparesis was noted on the right side, however, there was steady improvement in both motor and sensory function over the subsequent days in addition to a complete return of bladder and bowel function. Histopathology, consistent with spinal cord intramedullary cavernomas with hemorrhage, displayed areas of tissue with increased vascularity and characteristic thin walled blood vessels of various sizes.

Surgery for spinal tuberculosis: a multi-center experience of 582 cases

A 30-year-old female with spinal tuberculosis at the L3 vertebrae with paraplegia and 45° kyphosis. (A) Preoperative imaging demonstrated gross destruction of L3 vertebrae with spinal cord compression; (B) posterior decompression and stabilization by transpedicular screws and rods with posterior interbody fusion was performed; (C) follow-up imaging postoperatively demonstrated correction of kyphosis with radiological sign of gradual bone fusion (preoperative, 4-month, 12-month).

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Vol 3, No 2 (June, 2017)

About jss

Manuscript Submission

Contact us

Email: jss@amegroups.com

Editorial

June 2017, JSS

Ralph J. Mobbs, Kevin Phan

PDF Pages: 122 HTML

Original Study

Interlaminar endoscopic lateral recess decompression—surgical technique and early clinical results

Zeinab Birjandian, Samuel Emerson, Albert E. Telfeian, Christoph P. Hofstetter

PDF Pages: 123-132 HTML

Relationship between depression and clinical outcome following anterior cervical discectomy and fusion

Kevin Phan, Dane Moran, Thomas Kostowski, Risheng Xu, Rory Goodwin, Benjamin Elder, Seba Ramhmdani, Ali Bydon

PDF Pages: 133-140 HTML

Lumbar fusion surgery for degenerative conditions is associated with significant resource and narcotic use 2 years postoperatively in the commercially insured: a medical and pharmacy claims study

David E. Mino, James E. Munterich, Liana D. Castel

PDF Pages: 141-148 HTML

Assessing the effectiveness of routine use of post-operative in-patient physical therapy services

Owoicho Adogwa, Aladine A. Elsamadicy, Jared Fialkoff, Victoria D. Vuong, Ankit I. Mehta, Raul A. Vasquez, Joseph Cheng, Isaac O. Karikari, Carlos A. Bagley

PDF Pages: 149-154 HTML

Effects of immediate post-operative pain medication on length of hospital stay: does it make a difference?

Aladine A. Elsamadicy, Owoicho Adogwa, Jared Fialkoff, Victoria D. Vuong, Ankit I. Mehta, Raul A. Vasquez, Joseph Cheng, Carlos A. Bagley, Isaac O. Karikari

PDF Pages: 155-162 HTML

Elastic modulus in the selection of interbody implants

Robert F. Heary, Naresh Parvathreddy, Sujitha Sampath, Nitin Agarwal

PDF Pages: 163-167 HTML

Subsidence following anterior lumbar interbody fusion (ALIF): a prospective study

Prashanth J. Rao, Kevin Phan, Gloria Giang, Monish M. Maharaj, Steven Phan, Ralph J. Mobbs

PDF Pages: 168-175 HTML

Ex vivo 1H MR spectroscopy and histology after experimental chronic spinal cord compression

Stephan Duetzmann, Ulrich Pilatus, Volker Seifert, Gerhard Marquardt, Matthias Setzer

PDF Pages: 176-183 HTML

The contribution of the cortical shell to pedicle screw fixation

Matthew Henry Pelletier, Nicky Bertollo, Darweesh Al-Khawaja, William Robert Walsh

PDF Pages: 184-192 HTML

Accuracy of minimally invasive percutaneous thoracolumbar pedicle screws using 2D fluoroscopy: a retrospective review through 3D CT analysis

Mark J. Winder, Paul M. Gilhooly

PDF Pages: 193-203 HTML

Proximal junctional kyphosis in adult spinal deformity with long spinal fusion from T9/T10 to the ilium

Tatsuya Yasuda, Tomohiko Hasegawa, Yu Yamato, Sho Kobayashi, Daisuke Togawa, Shin Oe, Yukihiro Matsuyama

PDF Pages: 204-211 HTML

Static and dynamic cervical MRI: two useful exams in cervical myelopathy

Lorenzo Nigro, Pasquale Donnarumma, Roberto Tarantino, Marika Rullo, Antonio Santoro, Roberto Delfini

PDF Pages: 212-216 HTML

Review Article

Blunt vertebral vascular injury in trauma patients: ATLS^® recommendations and review of current evidence

Roozbeh Shafafy, Sukrit Suresh, John O. Afolayan, Alexander R. Vaccaro, Jaykar R. Panchmatia

PDF Pages: 217-225 HTML

Masters of Spine Surgery

Anterior lumbar vertebrectomy via direct anterior approach: technical note

Ralph J. Mobbs, Andrew Lennox, Prashanth J. Rao, Kevin Phan, Wen Jie Choy

PDF Pages: 226-227 HTML

Case Report

Intraoperative navigation for accurate midline placement of anterior lumbar interbody fusion and total disc replacement prosthesis

Kevin Phan, Joshua Xu, Monish M. Maharaj, Ralph J. Mobbs

PDF Pages: 228-232 HTML

Different operative findings of cases predicted to be symptomatic discal pseudocysts after percutaneous endoscopic lumbar discectomy

Ryutaro Shiboi, Yasushi Oshima, Takeshi Kaneko, Yuichi Takano, Hirohiko Inanami, Hisashi Koga

PDF Pages: 233-237 HTML

Minimally invasive fully endoscopic two-level posterior cervical foraminotomy: technical note

Ralf Wagner, Albert E. Telfeian, Menno Iprenburg, Guntram Krzok

PDF Pages: 238-242 HTML

Streptococcus intermedius: an unusual cause of spinal epidural abscess

Seba Ramhmdani, Ali Bydon

PDF Pages: 243-249 HTML

Epithelioid hemangioendothelioma of the spine: case report and review of the literature

Abdulrahman Albakr, Miranda Schell, Brian Drew, Aleksa Cenic

PDF Pages: 250-259 HTML

Contralateral facet-sparing sublaminar endoscopic foraminotomy for the treatment of lumbar lateral recess stenosis: technical note

Guntram Krzok, Albert E. Telfeian, Ralf Wagner, Christoph P. Hofstetter, Menno Iprenburg

PDF Pages: 260-266 HTML

Sublaminar wire migration into the medulla oblongata: a case report

Alex Koziarz, Mohammed Aref, Brian Vinh, Arun Mensinkai, Saleh A. Almenawer, Kesava Reddy

PDF Pages: 267-271 HTML

Unusual delayed presentation of superior mesenteric artery syndrome following scoliosis correction surgery—a case report and review of literature

Karthikeyan Maharajan, Joseph Shanthakumar Thambiah

PDF Pages: 272-277 HTML

Minimally invasive endoscopic spinal cord untethering: case report

Albert Edward Telfeian, Michael Punsoni, Christoph P. Hofstetter

PDF Pages: 278-282 HTML

Does sitting versus standing radiographic assessment of odontoid fractures matter? A case report

Ilyas S. Aleem, Yazeed Gussous, Michael King, Jeremy Fogelson, Ahmad Nassr, Bradford L. Currier

PDF Pages: 283-286 HTML

Solitary vertebral metastasis of primary clear cell carcinoma of the liver: a case report and review of literature

Karthikeyan Maharajan, Hwee Weng Dennis Hey, Ivan Tham, Thomas Paulraj Thamboo, Alvin Wong, Irfan Sagir Khan, Naresh Kumar

PDF Pages: 287-293 HTML

Thoracic juxtafacet cyst (JFC): a cause of spinal myelopathy

M. Burhan Janjua, Michael L. Smith, Kartik Shenoy, Yong H. Kim, Afshin E. Razi

PDF Pages: 294-299 HTML

C5 palsy after insertion of a winged expandable cervical cage: a case report and literature review

Lorenzo Nigro, Roberto Tarantino, Pasquale Donnarumma, Antonio Santoro, Roberto Delfini

PDF Pages: 300-303 HTML

A case of cervical tuberculosis with severe kyphosis treated with a winged expandable cage after double corpectomy

Lorenzo Nigro, Roberto Tarantino, Pasquale Donnarumma, Antonio Santoro, Roberto Delfini

PDF Pages: 304-308 HTML

Editorial

Vertebral hemangiomas: common lesions with still many unknown aspects

Lorenzo Nigro, Pasquale Donnarumma

PDF Pages: 309-311 HTML

Below are the latest Journal of Spine Surgery articles published online ahead of print publication.

Original Study

Lateral lumbar interbody fusion with unilateral pedicle screw fixation for the treatment of adjacent segment disease: a preliminary report

Jerry Y. Du, Paul D. Kiely, Motasem Al-Maaieh, Alexander Aichmair, Russel C. Huang

Early clinical and radiological results of unilateral posterior pedicle instrumentation through a Wiltse approach with lateral lumbar interbody fusion

Jerry Y. Du, Paul D. Kiely, Eric Bogner, Motasem Al Maaieh, Alexander Aichmair, Stephan N. Salzmann, Russel C. Huang

Effect of body mass index on patient outcomes of surgical intervention for the lumbar spine

Michael Flippin, Jessica Harris, Elizabeth W. Paxton, Heather A. Prentice, Donald C. Fithian, Samuel R. Ward, Sara P. Gombatto

The prevalence of undiagnosed pre-surgical cognitive impairment and its post-surgical clinical impact in elderly patients undergoing surgery for adult spinal deformity

Owoicho Adogwa, Aladine A. Elsamadicy, Emily Lydon, Victoria D. Vuong, Joseph Cheng, Isaac O. Karikari, Carlos A. Bagley

Influence of psychosocial distress in the results of elective lumbar spine surgery

Vivian Amaral, Luis Marchi, Heber Martim, Rodrigo Amaral, Joes Nogueira-Neto, Ellen Pierro, Leonardo Oliveira, Etevaldo Coutinho, Fernando Marcelino, Nicholai Faulhaber, Rubens Jensen, Luiz Pimenta

Utilization of vertebroplasty and kyphoplasty procedures throughout the United States over a recent decade: an analysis of the Nationwide Inpatient Sample

Joseph L. Laratta, Jamal N. Shillingford, Joseph M. Lombardi, John D. Mueller, Hemant Reddy, Comron Saifi, Charla R. Fischer, Steven C. Ludwig, Lawrence G. Lenke, Ronald A. Lehman

Composite PEEK/Carbon fiber implants can increase the effectiveness of radiotherapy in the management of spine tumors

Giuseppe Tedesco, Alessandro Gasbarrini, Stefano Bandiera, Riccardo Ghermandi, Stefano Boriani

Single anterior cervical discectomy and fusion (ACDF) using self- locking stand-alone polyetheretherketone (PEEK) cage: evaluation of pain and health-related quality of life

Stylianos Kapetanakis, Tryfon Thomaidis, George Charitoudis, Pavlos Pavlidis, Panagiotis Theodosiadis, Grigorios Gkasdaris

Clinical evaluation of microendoscopy-assisted extreme lateral interbody fusion

Tomohide Segawa, Hirohiko Inanami, Hisashi Koga

Corpectomy and expandable cage replacement versus third generation percutaneous augmentation system in case of vertebra plana: rationale and recommendations

Daniele Vanni, Andrea Pantalone, Vincenzo Magliani, Vincenzo Salini, Pedro Berjano

Indirect pars repair for pediatric isthmic spondylolysis: a case series

Brandon L. Raudenbush, Reid C. Chambers, Michael P. Silverstein, Ryan C. Goodwin

Outcomes and complications of S2 alar iliac fixation technique in patients with neuromuscular scoliosis: experience in a third level pediatric hospital

Carlos Segundo Montero, David Alberto Meneses, Fernando Alvarado, Wilmer Godoy, Diana Isabel Rosero, Jose Manuel Ruiz

Navigation accuracy comparing non-covered frame and use of plastic sterile drapes to cover the reference frame in 3D acquisition

Donald S. Corenman, Eric L. Strauch, Grant J. Dornan, Eric Otterstrom, Lisa Zalepa King

Does the law of diminishing returns apply to the lengthening of the MCGR rod in early onset scoliosis with reference to growth velocity?

Adrian Gardner, Alistair Beaven, David Marks, Jonathan Spilsbury, Jwalant Mehta, Matthew Newton Ede

Morphometric anatomy of the lumbar sympathetic trunk with respect to the anterolateral approach to lumbar interbody fusion: a cadaver study

Gareth Rutter, Kevin Phan, Adam Smith, Fiona Stewart, Kevin Seex, Cristian Gragnaniello

Case Report

Hypoglossal nerve paresis secondary to anterior approach of upper cervical spine followed by spontaneous recovery

Antonio José Vargas López, Laín Hermes González Quarante, Oscar Lucas Gil de Sagredo del Corral, Antonio Montalvo Afonso, Carlos Fernández Carballal

Surgery or not? a case of ventriculus terminalis in an adult patient

Rocco Severino, Paolo Severino

Spinal metastases of two different grade oligodendrogliomas: a case report and review of literature

Carlos Enrique Maiguel Carrizosa, Maria Gabriela Sanchez Paez, Andreina Martinez Amado, Andrea Gonzalez Gutierrez, Maria Emma Garcia Ardila

Congenital malformed posterior arch of atlas with fusion defect: a case of developmental canal stenosis causing cervical myelopathy

Siddharth Shah, Samir Dalvie, Ravi Ranjan Rai

Recurrent granular cell tumor: a case report and review of literature

Aditendraditya Singh Bhati, Aarjun Tyagi, Sudheer K. Tyagi

PEMLIF—a tale of two stories

Raja K. Kutty, Balakrishnan Sreemathyamma Sunilkumar, Anilkumar Peethambaran, Sourabh Kumar Jain, Shailesh Kumar

Focal hypermobility observed in cervical arthroplasty with Mobi-C

Jack William Kerferd, David Abi-Hanna, Kevin Phan, Prashanth Rao, Ralph Mobbs

A rare case of intramedullary solitary juvenile xanthogranuloma of the lumbar spine in the adult: a case report

Vania Pirillo, Andrea Prontera, Paolo Rizzo, Paolo Cipriano Cecchi, Martin Maffei, Andreas Schwarz

An unusual case of intradural intramedullary dorsal bronchogenic cyst in spine

Tarun Dusad, Vishal Kundnani, Shumayou Dutta, Ankit Patel, Gaurav Mehta, Mahendra Singh

Spinal tumour: primary cervical extradural meningioma at an unusual location

Ishita Pant, Vinod Kumar Singh Gautam, Rima Kumari, Sujata Chaturvedi

Review Article

Systematic review of 3D printing in spinal surgery: the current state of play

Ben Wilcox, Ralph J. Mobbs, Ai-Min Wu, Kevin Phan

Anterior cervical spine surgery-associated complications in a retrospective case-control study

Anastasia Tasiou, Theofanis Giannis, Alexandros G. Brotis, Ioannis Siasios, Iordanis Georgiadis, Haralampos Gatos, Eleni Tsianaka, Konstantinos Vagkopoulos, Konstantinos Paterakis, Kostas N. Fountas