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Adam S. Kanter, Christopher I. Shaffrey, Praveen Mummaneni, Michael Y. Wang and Juan S. Uribe

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Cheerag Upadhyaya, John Ziewacs and Praveen Mummaneni

Minimally invasive surgical (MIS) approaches are gaining popularity in many surgical fields. Potential advantages include reduced blood loss, shorter length of stay, and less soft-tissue trauma. Potential disadvantages include inadequate deformity correction, increased fluoroscopy, longer operative times, and decreased posterolateral fusion surface area exposure.

This video demonstrates the key steps in our mini-open transforaminal lumbar interbody fusion (TLIF) using an expandable tubular retractor, placement of cannulated pedicle instrumentation, and subsequent deformity correction. The video demonstrates positioning, surgical opening through a midline incision, a bilateral Wiltse plane tubular approach for the TLIF, placement of bilateral cannulated pedicle screws, and deformity correction.

The video can be found here: http://youtu.be/9GH3qsCGX3E.

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Infected vertebroplasty

Report of two cases and review of the literature

David H. Walker, Praveen Mummaneni and Gerald E. Rodts Jr.

Transpedicular vertebroplasty has been established as a safe and effective treatment for thoracic and lumbar compression fractures. Complications are rare and infectious complications requiring surgical management have only been reported once in the literature. In this paper the authors present two patients in whom osteomyelitis developed after vertebroplasty in which corpectomy was required. The serious nature of these infections, their surgical management, and complication avoidance are discussed.