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Hemivertebra resection is a standard treatment for congenital scoliosis due to an isolated hemivertebra. There is no well-defined treatment for hemivertebra associated with an opposite concave bar. Vertebral column resection, concave distraction and epiphysiodesis are possible options. The goal of convex epiphysiodesis is to stop the spinal growth at the convex side anteriorly and posteriorly. This is usually done with combined anterior and posterior approaches. The use of pedicle screws and rigid posterior instrumentation enable posterior and anterior growth arrest by blocking the vertebral body cartilage as it is used to be in long bone metaphysis by Blount staple. We report a case requiring growth arrest at two segments to stop the progression of two congenital spinal curves.

Circumferential convex growth arrest by posterior approach for double cervicothoracic curves in congenital scoliosis