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Imaging characteristics of Fasciola gigantica, a report of 29 cases

Imaging characteristics of Fasciola gigantica, a report of 29 cases

Authors :
Chengzhi Zhang
Jiang-Ning Dong
Wenjin Zha
Xinxiang Li
Yonghua Tang
Source :
Radiology of Infectious Diseases, Vol 5, Iss 3, Pp 123-130 (2018)
Publication Year :
2018
Publisher :
Medknow, 2018.

Abstract

Objective: To analyze imaging findings of Fasciola (F.) gigantica infection on computed tomography (CT), magnetic resonance imaging (MRI), and ultrasonography (US). Method: Twenty-nine patients with F. gigantica were admitted to the Affiliated Hospital of Dali University (n = 18) and Dali Prefecture People's Hospital (n = 11) from November 2011 to April 2012. All patients were examined by routine CT scan and US, and 24 of them were detected by MRI and MR cholangiopancreatography (MRCP). Serologic methods using enzyme-linked immunosorbent assay (ELISA) in 27 patients, stool examination in all patients, and hepatic tissue biopsy in 3 patients were performed. CT and US as follow-up examination was carried out in most patients for 3 years. Results: Multiple and scattered hypodense lesions in liver were seen in all patients on CT. Four types of hepatic lesions were observed on MRI as follows: tunnel-like lesions, abscesses, enhancement lesions, and iso- or slightly hypointense areas on T1-weighted images or T2-weighted images. These hepatic lesions were hypoechoic on US. Pathological images showed coagulation necrosis of liver lesions. Multiple calcifications were disclosed in 19 patients at follow-up. Conclusion: The imaging findings of CT, MRI, and US are helpful for the diagnosis of acute and chronic stages of Fasciola gigantica in liver. Keywords: Fasciola gigantica, Magnetic resonance imaging, Computed tomography, Ultrasonography

Details

ISSN :
23526211
Volume :
5
Database :
OpenAIRE
Journal :
Radiology of Infectious Diseases
Accession number :
edsair.doi.dedup.....ff2a3c297431334a9db89bdf49655232
Full Text :
https://doi.org/10.1016/j.jrid.2018.07.001