Letter to the Editor: Concerning Using Lordotic Cages at the L5–S1 Level Does Not Guarantee the Improvement of Sagittarius Alignment in Patients Who Underwent Posterior Lumbar Inte... by Tasuku Ino, Tadatsugu Morimoto, Hirohito Hirata, Masaaki Mawatari

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Letter to the Editor: Incidence and Skeletal Features of Developmental Cervical and Lumbar Spinal Stenosis by Miri Kishikawa, Tadatsugu Morimoto, Hirohito Hirata, Masaaki Mawatari

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Ruptured mycotic aneurysm of intercostal arteries associated with vertebral osteomyelitis: a case report by Masatsugu Tsukamoto, Tadatsugu Morimoto, Tomohito Yoshihara, Masaaki Mawatari

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Letter to the Editor Concerning “Frequency of Change in Assessment from Bony Union to Nonunion after Lumbar Interbody Fusion: A Multicenter Study” by Oba et al by Masatsugu Tsukamoto, Tadatsugu Morimoto, Tomohito Yoshihara, Masaaki Mawatari

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Letter to the Editor Concerning “Novel Technique for Sacral-Alar-Iliac Screw Placement Using Three-Dimensional Patient-Specific Template Guide,” by Matsukawa et al. by Tadatsugu Morimoto, Hirohito Hirata, Takaomi Kobayashi, Masaaki Mawatari

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Locomotive Syndrome and Lumbar Spine Disease: A Systematic Review by Takaomi Kobayashi, Tadatsugu Morimoto, Koji Otani, Masaaki Mawatari

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Letter to the Editor: Evaluating the Reproducibility of the Walking Test for Intermittent Claudication Associated with Lumbar Spinal Stenosis by Satoshi Takashima, Tadatsugu Morimoto, Hirohito Hirata, Masaaki Mawatari

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Letter to the Editor Concerning “A Modified Spinal Reconstruction Method Reduces Instrumentation Failure in Total En Bloc Spondylectomy for Spinal Tumors,” by Shinmura et al by Shun Umeki, Tadatsugu Morimoto, Hirohito Hirata, Masaaki Mawatari

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Letter to the Editor: Patient Positioning in Spine Surgery: What Spine Surgeons Should Know? by Katsuki Yamaguchi, Tadatsugu Morimoto, Hirohito Hirata, Masaaki Mawatari

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A 2D Model Analysis of Artificial Knee Joint during Deep Squatting by Michihiko FUKUNAGA, Tadasuke KATSUHARA, Shunji HIROKAWA, Masaaki MAWATARI, Takao HOTOKEBUCHI

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Letter to the editor concerning “Current state of preoperative embolization for spinal metastasis – A survey by the EANS spine section” by Stefan Motov et al. by Tomohito Yoshihara, Tadatsugu Morimoto, Hirohito Hirata, Masatsugu Tsukamoto, Masaaki Mawatari

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Diffuse Idiopathic Skeletal Hyperostosis Causes Acute Airway Obstruction Following Upper Respiratory Tract Infection: A Case Report by Shinji Kumamoto, Hidefumi Honke, Kengo Higuchi, Takayuki Inoue, Masaaki Mawatari

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Infected charcot spine by Hiromu Yoshizato, Tadatsugu Morimoto, Toshihiro Nonaka, Hirohito Hirata, Masaaki Mawatari

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First clinical experience with posterior lumbar interbody fusion using a thermal-sprayed silver-containing hydroxyapatite-coated cage by Tadatsugu Morimoto, Masatsugu Tsukamoto, Katsuhiro Aita, Nobuyuki Fujita, Masaaki Mawatari

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Hydroxyapatite-coated cementless total hip arthroplasty for patients undergoing dialysis: a study of 30 hips with a minimum follow-up period of 5 years by Akira Hashimoto, Motoki Sonohata, Sakumo Kii, Shunsuke Kawano, Masaaki Mawatari

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Improved levels of physical activity in patients over 75 years following total knee arthroplasty by Yuriko Matsunaga-Myoji, Kimie Fujita, Shuya Ide, Yasuko Tabuchi, Masaaki Mawatari

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A gigantic iliopsoas abscess in a patient with Alexander's disease by Masatsugu Tsukamoto, Tadatsugu Morimoto, Takaomi Kobayashi, Hirohito Hirata, Tomohito Yoshihara, Masaaki Mawatari

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Letter to the Editor Concerning “Augmented Reality Device for Preoperative Marking of Spine Surgery Can Improve the Accuracy of Level Identification,” by Aoyama et al. by Tomohito Yoshihara, Tadatsugu Morimoto, Masatsugu Tsukamoto, Hirohito Hirata, Takaomi Kobayashi, Masaaki Mawatari

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Anterior graft migration in posterior lumbar interbody fusion: A case report and literature review by Masanori Hashimoto, Hirohito Hirata, Masatsugu Tsukamoto, Yoshihara Tomohito, Masaaki Mawatari, Tadatsugu Morimoto

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Hip-Spine Syndrome: The Coronal Alignment of the Lumbar Spine and Pelvis in Patients with Ankylosed Hips by Tadatsugu Morimoto, Motoki Sonohata, Masaru Kitajima, Tomohito Yoshihara, Hirohito Hirata, Masaaki Mawatari

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