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KMID : 0383820070620010019
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Tuberculosis and Respiratory Diseases
2007 Volume.62 No. 1 p.19 ~ p.26
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The Characteristics of Eosinophilc Lung Diseases Cause by Toxocara Canis Larval Infestation
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Kim Yu-Jin
Kyung Sun-Yong
An Chang-Hyeok
Lee Sang-Pyo
Park Jung-Woong
Jeong Sung-Hwan
Lim Young-Hee
Choi Dong-Chull
Jeong Young-Bae
Kang Shin-Yong
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Abstract
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Background: Toxocariasis is a common cause of eosinophilia and eosinophilic lung disease in Korea. We analyzed the characteristics of eosinophilic lung disease in toxocariasis.
Method: One hundred and forty one patients with eosinophilia caused by a toxocara larval infection were evaluated from September 1, 2001 through March 30, 2006. The plain chest x-ray, chest CT(computed tomography), and bronchoalveolar larvage(BAL) were examined. A diagnosis of toxocariasis was made by ELISA using that secretory-excretory antigen from the T. canis larvae.
Results : Toxocarial eosinophilic lung diseases was diagnosed in 32 out of 141 patients. Ground glass attenuation was the main feature on the CT scans in 23 out of 141 patients (71.9%). Thirteen patients (40.6%) had a random in zonal distribution on CT. Pleural effusion was observed in 9 patients (28.1%). Twenty eight patients (87.5%) complained of respiratory symptoms. Eleven patients (34.4%) had gastrointestinal symptoms and 12 patients (37.5%) had liver infiltration.
Conclusions: The most common findings of the chest CT in patients with toxocariasis was a randomly distributed ground grass attenuation. A toxocara infection should be considered in a differential diagnosis of patients who exhibit pulmonary infiltration with eosinophilia in Korea.
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KEYWORD
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Eosinophilia, Pneumonia, Toxocara, Parasite
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