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KMID : 1189320160100010158
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Asian Spine Journal
2016 Volume.10 No. 1 p.158 ~ p.163
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Navigated Pin-Point Approach to Osteoid Osteoma Adjacent to the Facet Joint of Spine
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Mori Kanji
Neo Masashi
Takemoto Mitsuru
Nishizawa Kazuya
Imai Shinji
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Abstract
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Osteoid osteoma (OO) is a benign osteoblastic tumor. Its curative treatment is complete removal of the nidus, where intraoperative localization of the nidus governs clinical results. However, treatment can be difficult since the lesion is often invisible over the bony surface. Accordingly, establishment of an ideal less invasive surgical strategy for spinal OO remains yet unsettled. We illustrate the efficacy of a computed tomography (CT)-based navigation system in excising OO located adjacent to the facet joint of spine. In our 2 cases, complete and pin-point removal of the nidus located close to the facet joint was successfully achieved, without excessive removal of the bone potentially leading to spinal instability and possible damage of nearby neurovascular structures. We advocate a less invasive approach to spinal OO, particularly in an environment with an available CT-based navigation system.
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KEYWORD
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Osteoid osteoma, Spine, Computed tomography-based computer navigation system, Less invasive
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