Fascioliasis : US, CT, and MRI findings with new observations

The purpose of this study is to describe the ultrasonographic (US), computed tomographic (CT), and magnetic resonance imaging (MRI) findings in fascioliasis and to emphasize the impact of radiology in diagnosis. Radiologic findings in 23 consecutive patients with fascioliasis were prospectively reco...

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Bibliographic Details
Published in:Abdominal imaging 2000-07, Vol.25 (4), p.400-404
Main Authors: KABAALIOGLU, A, CUBUK, M, SENOL, U, CEVIKOL, C, KARAALI, K, APAYDIN, A, SINDEL, T, LÜLECI, E
Format: Article
Language:English
Subjects:
Adult
Bile duct
Biological and medical sciences
Computed tomography
Digestive system
Eggs
Fascioliasis - diagnosis
Fascioliasis - diagnostic imaging
Female
Gallbladder
Humans
Investigative techniques, diagnostic techniques (general aspects)
Liver
Magnetic Resonance Imaging
Male
Medical sciences
Parasites
Prospective Studies
Radiodiagnosis. Nmr imagery. Nmr spectrometry
Radiology
Tomography, X-Ray Computed
Ultrasonography
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Summary:The purpose of this study is to describe the ultrasonographic (US), computed tomographic (CT), and magnetic resonance imaging (MRI) findings in fascioliasis and to emphasize the impact of radiology in diagnosis. Radiologic findings in 23 consecutive patients with fascioliasis were prospectively recorded. All patients had at least one US and CT examination, and 10 of them were studied by MRI. All diagnoses were confirmed by serologic methods. In the first three cases, initial diagnosis was reached by microscopic demonstration of the parasites' eggs in bile obtained by US-guided gallbladder aspiration. In the hepatic phase of fascioliasis, multiple, confluent, linear, tractlike, hypodense, nonenhancing hepatic lesions were detected by CT. On US, the parasites could be clearly identified in the gallbladder or common bile duct as floating and nonshadowing echogenic particles. MRI showed the lesions as hypo- or isointense on T1-weighted images and as hyperintense on T2-weighted images. CT findings in the hepatic phase and US findings in the biliary phase are characteristic of fascioliasis. Because clinical and laboratory findings of fascioliasis may easily be confused with several diseases, radiologists should be familiar with the specific radiologic findings of the disease to shorten the usual long-lasting diagnostic process.
ISSN:0942-8925
2366-004X
1432-0509
2366-0058
DOI:10.1007/s002610000017