Unrecognized Pneumatosis Intestinalis in Antimelanoma Differentiation-Associated Gene 5 Antibody–Associated Dermatomyositis

Ken Nagahata, MD, Masanari Sugawara, MD, Masatoshi Kanda, MD, PhD, Hiroki Takahashi, MD, PhD, Department of Rheumatology and Clinical Immunology, School of Medicine, Sapporo Medical University, Sapporo, Japan. Address correspondence to Dr. K. Nagahata, Department of Rheumatology and Clinical Immunology, Sapporo Medical University School of Medicine, South 1-West 16, Chuo ku, Sapporo, Hokkaido 060-8543, Japan. Email: nagahata.ken@sapmed.ac.jp. The authors declare no conflicts of interest relevant to this article. Informed consent from the patient was obtained. Ethical approval for this study was waived by Sapporo Medical University Hospital Institutional Review Board, based on the "Ethical Guidelines for Medical and Biological Research Involving Human Subjects," which states that case reports that can be considered part of medical care not for research purposes do not constitute research, prepared by the Japanese Ministry of Health, Labour and Welfare, Ministry of Education, Culture, Sports, Science and Technology, and Ministry of Economy, Trade and Industry.

Ken Nagahata, MD, Masanari Sugawara, MD, Masatoshi Kanda, MD, PhD, Hiroki Takahashi, MD, PhD, Department of Rheumatology and Clinical Immunology, School of Medicine, Sapporo Medical University, Sapporo, Japan. Address correspondence to Dr. K. Nagahata, Department of Rheumatology and Clinical Immunology, Sapporo Medical University School of Medicine, South 1-West 16, Chuo ku, Sapporo, Hokkaido 060-8543, Japan. Email: nagahata.ken@sapmed.ac.jp. The authors declare no conflicts of interest relevant to this article. Informed consent from the patient was obtained. Ethical approval for this study was waived by Sapporo Medical University Hospital Institutional Review Board, based on the "Ethical Guidelines for Medical and Biological Research Involving Human Subjects," which states that case reports that can be considered part of medical care not for research purposes do not constitute research, prepared by the Japanese Ministry of Health, Labour and Welfare, Ministry of Education, Culture, Sports, Science and Technology, and Ministry of Economy, Trade and Industry.

Ken Nagahata, MD, Masanari Sugawara, MD, Masatoshi Kanda, MD, PhD, Hiroki Takahashi, MD, PhD, Department of Rheumatology and Clinical Immunology, School of Medicine, Sapporo Medical University, Sapporo, Japan. Address correspondence to Dr. K. Nagahata, Department of Rheumatology and Clinical Immunology, Sapporo Medical University School of Medicine, South 1-West 16, Chuo ku, Sapporo, Hokkaido 060-8543, Japan. Email: nagahata.ken@sapmed.ac.jp. The authors declare no conflicts of interest relevant to this article. Informed consent from the patient was obtained. Ethical approval for this study was waived by Sapporo Medical University Hospital Institutional Review Board, based on the "Ethical Guidelines for Medical and Biological Research Involving Human Subjects," which states that case reports that can be considered part of medical care not for research purposes do not constitute research, prepared by the Japanese Ministry of Health, Labour and Welfare, Ministry of Education, Culture, Sports, Science and Technology, and Ministry of Economy, Trade and Industry.

Ken Nagahata, MD, Masanari Sugawara, MD, Masatoshi Kanda, MD, PhD, Hiroki Takahashi, MD, PhD, Department of Rheumatology and Clinical Immunology, School of Medicine, Sapporo Medical University, Sapporo, Japan. Address correspondence to Dr. K. Nagahata, Department of Rheumatology and Clinical Immunology, Sapporo Medical University School of Medicine, South 1-West 16, Chuo ku, Sapporo, Hokkaido 060-8543, Japan. Email: nagahata.ken@sapmed.ac.jp. The authors declare no conflicts of interest relevant to this article. Informed consent from the patient was obtained. Ethical approval for this study was waived by Sapporo Medical University Hospital Institutional Review Board, based on the "Ethical Guidelines for Medical and Biological Research Involving Human Subjects," which states that case reports that can be considered part of medical care not for research purposes do not constitute research, prepared by the Japanese Ministry of Health, Labour and Welfare, Ministry of Education, Culture, Sports, Science and Technology, and Ministry of Economy, Trade and Industry.