Skeletal Metastasis of Unknown Primary Origin at the Initial Visit: A Retrospective Analysis of 286 Cases

• Tatsuya Takagi,

  Affiliations Department of Orthopaedic Surgery, Juntendo University School of Medicine, Tokyo, Japan, Department of Orthopaedic Surgery, Shizuoka Cancer Center, Shizuoka, Japan

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• Hirohisa Katagiri,

  Affiliation Department of Orthopaedic Surgery, Shizuoka Cancer Center, Shizuoka, Japan

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• Yongji Kim,

  Affiliation Department of Orthopaedic Surgery, Juntendo University School of Medicine, Tokyo, Japan

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• Yoshiyuki Suehara ,

  * E-mail: ysuehara@juntendo.ac.jp

  Affiliation Department of Orthopaedic Surgery, Juntendo University School of Medicine, Tokyo, Japan

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• Daisuke Kubota,

  Affiliation Department of Orthopaedic Surgery, Juntendo University School of Medicine, Tokyo, Japan

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• Keisuke Akaike,

  Affiliation Department of Orthopaedic Surgery, Juntendo University School of Medicine, Tokyo, Japan

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• Midori Ishii,

  Affiliation Department of Orthopaedic Surgery, Juntendo University School of Medicine, Tokyo, Japan

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• Kenta Mukaihara,

  Affiliation Department of Orthopaedic Surgery, Juntendo University School of Medicine, Tokyo, Japan

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• Taketo Okubo,

  Affiliation Department of Orthopaedic Surgery, Juntendo University School of Medicine, Tokyo, Japan

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• Hideki Murata,

  Affiliation Department of Orthopaedic Surgery, Shizuoka Cancer Center, Shizuoka, Japan

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• Mitsuru Takahashi,

  Affiliation Department of Orthopaedic Surgery, Shizuoka Cancer Center, Shizuoka, Japan

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• Kazuo Kaneko,

  Affiliation Department of Orthopaedic Surgery, Juntendo University School of Medicine, Tokyo, Japan

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• Tsuyoshi Saito

  Affiliation Department of Human Pathology, Juntendo University School of Medicine, Tokyo, Japan

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