Axial Spondyloarthritis in Diffuse Idiopathic Skeletal Hyperostosis

Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan. Address correspondence to Dr. M. Kato, Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15 W7, Kita-ku, 060-8648 Sapporo, Japan. Email: ktmasaru{at}med.hokudai.ac.jp. The authors declare no conflicts of interest relevant to this article. The research ethics board of the authors' institution does not require board review for a single case report when the patient's privacy is protected. Written consent was obtained from the patient.

Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan. Address correspondence to Dr. M. Kato, Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15 W7, Kita-ku, 060-8648 Sapporo, Japan. Email: ktmasaru{at}med.hokudai.ac.jp. The authors declare no conflicts of interest relevant to this article. The research ethics board of the authors' institution does not require board review for a single case report when the patient's privacy is protected. Written consent was obtained from the patient.

Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan. Address correspondence to Dr. M. Kato, Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15 W7, Kita-ku, 060-8648 Sapporo, Japan. Email: ktmasaru{at}med.hokudai.ac.jp. The authors declare no conflicts of interest relevant to this article. The research ethics board of the authors' institution does not require board review for a single case report when the patient's privacy is protected. Written consent was obtained from the patient.