Tuberc Respir Dis > Volume 62(1); 2007 > Article
Tuberculosis and Respiratory Diseases 2007;62(1):19-26.
DOI: https://doi.org/10.4046/trd.2007.62.1.19    Published online January 1, 2007.
The Characteristics of Eosinophilc Lung Diseases Cause by Toxocara Canis Larval Infestation.
Yu Jin Kim, Sun Young Kyung, Chang Hyeok An, Young Hee Lim, Jung Woong Park, Seong Hwan Jeong, Sang Pyo Lee, Dong Chull Choi, Young Bae Jeong, Shin Yong Kang
1Department of Internal Medicine Gachon University, Gil Medical Center, Korea. drsplee@gachon.ac.kr
2Department of Internal Medicine Sungkyunkwan University, Korea.
3Department of Parasitology, Cheju National University, Korea.
4Department of Parasitology, Chung Ang University, Korea.
Abstract
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.
Key Words: Eosinophilia, Pneumonia, Toxocara, Parasite


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