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Introduction Successful fusion is known as arthrodesis; nonunion is referred to as pseudoarthrosis. The goal of arthrodesis is to produce a solid fusion mass connecting one vertebra to another. The first fusion was described in 1911 by two independent surgeons,…
© 2018 Elsevier Inc. All rights reserved. Please note that the copyright for the original figures submitted by the contributors is owned by Contributors. Introduction Chordomas and chondrosarcomas are both primary malignant (locally aggressive) bone tumors. Chordomas are considered the…