Abstract
Abstract INTRODUCTION In orthopedic surgery, the appearance of three-dimensional digital reconstructions represented a clear before and after in the planning of highly complex surgeries. However, these reconstructions only allow to improve the visualization of the lesion. In recent years, new techniques have been incorporated, such as 3D printing of bone reconstructions, improving the understanding of the anatomy of each patient, allowing the simulation of possible treatments, and even their intraoperative manipulation. MATERIAL AND METHODS A 3D impression was made in surgical resin of a reconstruction of a CT of the cervico-thoracic spine, with a metastatic lesion in T2, in order to study the possible viability of an en-bloc vertebrectomy and the simulation of pedicle paths. RESULTS The feasibility of vertebrectomy was verified thanks to a better estimation of the available window size. Simulations were performed in the cervical pedicle paths, obtaining the best possible orientation according to the anatomy. Manipulation of the model in the surgical field allowed an in situ comparison with the exposed area, and optimized the result. CONCLUSIONS Planning and 3D printing in Orthopaedics is an indispensable tool when performing complex surgery. It allows to improve the understanding of the particular anatomy of each patient and simulate different treatments to obtain the best possible result.
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