Severe Pneumonia Caused by Toxigenic Corynebacterium ulcerans Infection, Japan
Ikkoh Yasuda, Hisayo Matsuyama, Tomoko Ishifuji, Yoshiro Yamashita, Masahiro Takaki, Konosuke Morimoto, Motohiro Sekino, Katsunori Yanagihara, Tatsuya Fujii, Masaaki Iwaki, Akihiko Yamamoto, Koya Ariyoshi, and Takeshi Tanaka
Author affiliations: Nagasaki University Hospital, Nagasaki, Japan (I. Yasuda, Y. Yamashita, M. Takaki, K. Morimoto, M. Sekino, K. Yanagihara, K. Ariyoshi, T. Tanaka); Kawakita General Hospital, Suginami, Tokyo, Japan (H. Matsuyama, T. Ishifuji, T. Fujii); National Institute of Infectious Diseases, Shinjuku, Tokyo (M. Iwaki, A. Yamamoto)
Figure 1. Radiological imaging, sputum smear finding, and endobronchial image of 2 case-patients with severe pneumonia caused by Corynebacterium ulcerans infection, Japan. Case-patient 1: A) Atelectasis in middle lung field at admission; B) consolidation and atelectasis in right upper lobe; C) rapid development of diffuse atelectasis; D) gram-positive rods in all fields of endotracheal aspiration sputum sample (original magnification x1,000). Case-patient 2: E) Infiltrates in left lower lung field; F) thickened tracheal membrane; G) Atelectasis of left lower lobe; H) pseudomembrane formation on trachea and bronchus.
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