Smith-Petersen osteotomy in thoracolumbar deformity surgery.

Objective: To describe the technique and indications of a Smith-Petersen osteotomy in spinal deformity surgery.

Methods: Pertinent literature was reviewed to describe the indications and reported complications of this corrective technique.

Results: The operative nuances of the technique are described.

Augusta Déjerine-Klumpke, M.D. (1859-1927): a historical perspective on Klumpke's palsy.

Although the lower trunk brachial plexus palsy known as Klumpke's palsy is a familiar and challenging entity to the medical community, relatively little is known about Dr. Augusta Déjerine-Klumpke. Dr.

Macro-architectures in spinal cord scaffold implants influence regeneration.

Biomaterial scaffold architecture has not been investigated as a tunable source of influence on spinal cord regeneration. This study compared regeneration in a transected spinal cord within various designed-macro-architecture scaffolds to determine if these architectures alone could enhance regeneration. Three-dimensional (3-D) designs were created and molds were built on a 3-D printer.