Research

L5 En-Bloc Vertebrectomy with Customized Reconstructive Implant: Comparison of Patient-Specific Versus Off-the-Shelf Implant Ralph J. Mobbs1-3, Wen Jie Choy1, Peter Wilson1,3, Aidan McEvoy4, Kevin Phan1-3,5, William C.H. Parr6,7 Research Spine surgery has the potential to benefit from additive manufacturing/3-dimensional printing (3DP) technology with complex anatomical pathologies requiring reconstruction, with the potential to customize surgery to […]

Effect of Smoking Status on Successful Arthrodesis, Clinical Outcome, and Complications After Anterior Lumbar Interbody Fusion (ALIF) Kevin Phan1,2, Matthew Fadhil2, Nicholas Chang2, Gloria Giang1, Cristian Gragnaniello3, Ralph J. Mobbs1,2 Research Anterior lumbar interbody fusion (ALIF) is a surgical technique indicated for the treatment of several lumbar pathologies. Smoking has been suggested as a possible

Reconstruction of Thoracic Spine Using a Personalized 3D-Printed Vertebral Body in Adolescent with T9 Primary Bone Tumor Wen Jie Choy1, Ralph J. Mobbs1-3, Ben Wilcox1, Steven Phan2,4, Kevin Phan1,2,4,7, Chester E. Sutterlin III5-7 Research Neurosurgery and spine surgery have the potential to benefit from the use of 3-dimensional printing (3DP) technology due to complex anatomic

Image-Guided Lateral Mass Osteotomy for En Bloc Resection of Cervical Ewing Sarcoma: A Technical Note Jia Xi Julian Li1, Kevin Phan1, Tommy Manh Tran1, Ralph J. Mobbs1,2, Ralph Stanford1,3 Research En bloc resection of Ewing sarcoma in the cervical spine according to Enneking’s principles is technically challenging owing to the proximity of important neurovascular structures,

Treatment of Lumbar Spinal Stenosis by Microscopic Unilateral Laminectomy for Bilateral Decompression: A Technical Note Kevin Phan, BSc (Adv), MPhil1,2, Ian Teng, MD1, Konrad Schultz, BS2, Ralph J Mobbs, MD, FRACS1 Research Lumbar spinal stenosis is typically a degenerative condition that leads to compression of the spinal canal and lateral recess, resulting in leg pain

Application of a 3D Custom Printed Patient Specific Spinal Implant for C1/2 Arthrodesis Kevin Phan1,2, Alessandro Sgro1, Monish M. Maharaj1,3, Paul D’Urso4, Ralph J. Mobbs1,3,5 Research The study aims to describe a three-dimensional printed (3DP) posterior fixation implant used for C1/C2 fusion in a 65-year-old female. Spinal fusion remains a common intervention for a range

The utility of 3D printing for surgical planning and patient-specific implant design for complex spinal pathologies: case report Ralph J. Mobbs, MD, FRACS,1–3 Marc Coughlan, MBBS, FRACS,2 Robert Thompson, MBus, BInfoTech, DipAppSci,4 Chester E. Sutterlin III, MD,5–7 and Kevin Phan, BSc1–3 Research The diagnosis of ulnar nerve entrapment at the elbow has relied primarily on clinical

Anterior Retroperitoneal Approach for Removal of L5-S1 Foraminal Nerve Sheath Tumor Kevin Phan, BSa,b,c, Ralph J. Mobbs, MBBS MS FRACSa,b,c,* Research Extradural lumbar schwannomas are a rare form of nerve sheath tumors (NSTs). The typical management approach for extradural foraminal NSTs is total gross resection, which involves a midline incision and muscle exposure, followed by

Lumbar interbody fusion: techniques, indications and comparison of interbody fusion options including PLIF, TLIF, MI-TLIF, OLIF/ATP, LLIF and ALIF Ralph J. Mobbs1,2,3, Kevin Phan1,2,3, Greg Malham4, Kevin Seex5, Prashanth J. Rao1,2,3 Research Degenerative disc and facet joint disease of the lumbar spine is common in the ageing population, and is one of the most frequent

Physical Activity Measured with Accelerometer and Self-Rated Disability in Lumbar Spine Surgery: A Prospective Study Ralph J. Mobbs1,2,* Kevin Phan1,2,* Monish Maharaj1,2 Prashanth J. Rao1,2 Research Patient-based subjective ratings of symptoms and function have traditionally been used to gauge the success and extent of recovery following spine surgery. The main drawback of this type of