• Internal medicine · Apr 2023

    Case Reports

    Lung Cancer Complicated by Relapsing Polychondritis.

    • Sosuke Arakawa, Makoto Nakao, Kazuki Sone, Shuntaro Hayashi, Masahiro Sugihara, Yuya Hirata, Mamiko Kuriyama, Norihisa Takeda, Kazuhiro Ohtakara, Yoshimi Horikawa, and Hideki Muramatsu.
    • Department of Respiratory Medicine, Kainan Hospital Aichi Prefectural Welfare Federation of Agricultural Cooperatives, Japan.
    • Intern. Med. 2023 Apr 1; 62 (7): 104910541049-1054.

    AbstractA 77-year-old man presented with a 1-month history of cough, pharyngeal discomfort, and weight loss. Chest radiography revealed a mass shadow in the right upper lung field. Bronchoscopy showed multiple white nodules along the tracheal cartilage ring. Although adenocarcinoma cells were detected in the mass, several biopsy specimens of the tracheal lesions exhibited no malignancy. 18F-fluorodeoxyglucose positron emission tomography revealed an intense accumulation in the mass, nasal septum, and tracheal cartilage. Furthermore, anti-type II collagen antibody levels were elevated. We finally diagnosed him with lung cancer complicated by relapsing polychondritis. Treatment with oral prednisolone was initiated, followed by sequential chemoradiotherapy for lung cancer.

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