Journal of Korean Society of Medical Ultrasound 1999;18(3): 161-166.
Usefulness of High-Resolution Sonography in Early Diagnosis of Rabbit Clonorchiasis.
Jae Hoon Lim, Dongil Choi, Sung Tae Hong, Mejeong Lee, Il Gyu Chung, Lae Hyun Phyun, Yong Seon Pyeun
1Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Korea.
2Department of Parasitology, Seoul National University College of Medicine, Korea.
  Published online: January 1, 2001.
ABSTRACT
PURPOSE: To determine the role of high-resolution sonography in the early diagnosis of experimentally induced clonorchiasis in rabbits. MATERIALS and METHODS: We performed sonographic examination weekly in 22 lightly-infected rabbits (10 rabbits infected with 10 metacercariae, 6 rabbits infected with 20 metacercariae, and 6 rabbits infected with 40 metacer-cariae), and 10 heavily-infected rabbits (500 metacercariae). The sonographic criterion of diagnosis was dilatation of the intrahepatic ducts. We sacrificed lightly-infected rabbits and counted numbers of adult worms of Clonorchis sinensis 9 weeks after infection. RESULTS: Sonographic abnormalities were found 3 weeks after infection in 2 lightly-infected rabbits and 5 heavily-infected rabbits. On sonography at 9 weeks after infection, we observed dilatation of the intrahepatic ducts in 11 (65%) of 17 lightly-infected rabbits and all of 10 heavily-infected rabbits. CONCLUSION:High-resolution sonography is very useful in early diagnosis of rabbit clonorchiasis.
Keywords: Liver US; Bile ducts inflammation; Clonorchiasis
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