• Tadashi Osaki, Hiroshi Morishita, Hajime Maeda, Katsuhiko Kamei, Shigenori Hoshino, Takashi Kijima, Toru Kumagai, Mitsuhiro Yoshida, Isao Tachibana, and Ichiro Kawase.
• Department of Molecular Medicine, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871.
• Intern. Med. 2005 Feb 1; 44 (2): 141-4.

AbstractCoccidioidomycosis, caused by inhaling Coccidioides immitis, is a mycosis imported from endemic regions including the southwestern United States. C. immitis is so virulent that even a short-term stay in the endemic area can provide a chance for infection. Here, we report a 33-year-old Japanese man with formation of a fungus ball inside the pulmonary cavity secondary to coccidioidomycosis with a duration of 8 years, which is considered rare. He was infected with C. immitis in the United States in 1996. A nodule remained in the lung, which later cavitated with fungus ball formation. We identified Coccidioides immitis in the cultured specimen from the cavity and serum antibodies against it. We performed a lobectomy in 2003 since anti-fungal treatment was only temporarily effective. He is still free of disease 6 months later.

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