Different Chest Radiographic Findings of Pulmonary Paragonimiasis in Two Endemic Countries

Jaturat Kanpittaya Srinagarind Hospital, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand; Institut de la Francophonie pour la Médecine Tropicale (IFMT), Vientiane, Lao People's Democratic Republic; First Affiliated Hospital of Kunming Medical College, Yunnan, China; Research and Diagnosis Center for Emerging Infectious Disease, Khon Kaen University, Khon Kaen, Thailand

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Kittisak Sawanyawisuth Srinagarind Hospital, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand; Institut de la Francophonie pour la Médecine Tropicale (IFMT), Vientiane, Lao People's Democratic Republic; First Affiliated Hospital of Kunming Medical College, Yunnan, China; Research and Diagnosis Center for Emerging Infectious Disease, Khon Kaen University, Khon Kaen, Thailand

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Anan Vannavong Srinagarind Hospital, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand; Institut de la Francophonie pour la Médecine Tropicale (IFMT), Vientiane, Lao People's Democratic Republic; First Affiliated Hospital of Kunming Medical College, Yunnan, China; Research and Diagnosis Center for Emerging Infectious Disease, Khon Kaen University, Khon Kaen, Thailand

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Pewpan M. Intapan Srinagarind Hospital, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand; Institut de la Francophonie pour la Médecine Tropicale (IFMT), Vientiane, Lao People's Democratic Republic; First Affiliated Hospital of Kunming Medical College, Yunnan, China; Research and Diagnosis Center for Emerging Infectious Disease, Khon Kaen University, Khon Kaen, Thailand

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Wanchai Maleewong Srinagarind Hospital, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand; Institut de la Francophonie pour la Médecine Tropicale (IFMT), Vientiane, Lao People's Democratic Republic; First Affiliated Hospital of Kunming Medical College, Yunnan, China; Research and Diagnosis Center for Emerging Infectious Disease, Khon Kaen University, Khon Kaen, Thailand

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Wei Zhang Srinagarind Hospital, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand; Institut de la Francophonie pour la Médecine Tropicale (IFMT), Vientiane, Lao People's Democratic Republic; First Affiliated Hospital of Kunming Medical College, Yunnan, China; Research and Diagnosis Center for Emerging Infectious Disease, Khon Kaen University, Khon Kaen, Thailand

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Michel Strobel Srinagarind Hospital, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand; Institut de la Francophonie pour la Médecine Tropicale (IFMT), Vientiane, Lao People's Democratic Republic; First Affiliated Hospital of Kunming Medical College, Yunnan, China; Research and Diagnosis Center for Emerging Infectious Disease, Khon Kaen University, Khon Kaen, Thailand

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We compared the chest radiographic findings of patients with pulmonary paragonimiasis in the Lao People's Democratic Republic (PDR) with a report from Korea. The clinical and radiological characteristics of 50 confirmed Laotian pleuropulmonary paragonimiasis patients were studied between March 2003 and June 2007. In 49 patients, the chest radiographs showed abnormal findings (98%). Pulmonary parenchymal abnormalities were found in all 49 patients, whereas pleural effusion was only found in 11 patients (22%). The three most common intraparenchymal findings were multiple small cysts (90%), irregular linear densities (68%), and nodular opacities (40%). The numbers of patients who had these three findings were significantly different from the Korean report (P < 0.001). In conclusion, radiographic findings of pulmonary paragonimiasis may vary among countries.

Author Notes

*Address correspondence to Kittisak Sawanyawisuth, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand. E-mail: kittisak@kku.ac.th

Authors' addresses: Jaturat Kanpittaya, Department of Radiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand. Kittisak Sawanyawisuth, Department of Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand. Anan Vannvong and Michel Strobel, Institut de la Francophonie pour la Médecine Tropicale (IFMT), Vientiane, Lao People's Democratic Republic. Pewpan M. Intapan and Wanchai Maleewong, Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand. Wei Zhang, First Affiliated Hospital of Kunming Medical College, Yunnan, China.

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