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Case Series
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| Case series of visceral larva migrans in the liver: CT and MRI findings |
| Shalini Thapar Laroia1, Archana Rastogi2, Shiv Sarin3 |
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1Assistant Professor, Radiology department, Institute of Liver & Biliary sciences, New Delhi, India.
2Associate Professor, Department of Hepato Pathology, Institute of Liver & Biliary sciences, New Delhi, India. 3Director ILBS and Professor of Hepatology and Transplant Hepatology, Institute of Liver & Biliary sciences, New Delhi, India. |
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doi:10.5348/ijcri-2012-06-129-CS-2
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Address correspondence to: Dr. Shalini Thapar Laroia L-1 Krishan Vatika DLF Westend Farms, Govind Sadan Marg Chattarpur, New Delhi-110030 India Phone: 091-9810757973, 091-9811015080 Fax: 091-011-26806356 Email: thaparshalini@gmail.com |
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| How to cite this article: |
| Laroia ST, Rastogi A, Sarin S. Case series of visceral larva migrans in the liver: CT and MRI findings. International Journal of Case Reports and Images 2012;3(6):7–12. |
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Abstract
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Introduction:
Visceral larva migrans (VLM) is an uncommon parasitic infection most commonly caused by Toxocara canis and Toxocara cati. Imaging features of hepatic VLM on contrast enhanced computed tomography (CECT) include presence of small, single or multiple (usually less than two cms in diameter) hypovascular eosinophilic abscesses seen enhancing only on portal venous phase (PVP) on triple phase liver study. Review of literature revealed that CT and peripheral eosinophilia in the blood has been the mainstay of clinical diagnosis in majority of case reports and larger studies.
Case Series: We have used 3 Tesla (3T) magnetic resonance imaging (MRI) in addition to CT for diagnosis of hepatic visceral larva migrans in three patients with special emphasis on T1 weighted and diffusion weighted sequences. MRI and CT images showed interesting findings such as hyperintense rim of the lesions on T1 weighted sequence and hyperintensity on diffusion weighted images (DWI) at b values of 1000 with associated restriction on the corresponding ADC maps. Conclusion: We would like to emphasize the importance of echo planar imaging and T1 weighted sequences of the liver in addition to routine dynamic CT and conventional MRI sequences for assessment of suspected eosinophilic abscesses in visceral larva migrans presenting as focal liver lesions. | |
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Key Words:
Visceral Larva migrans, MRI, DWI, ADC, T1 weighted sequence, Eosinophilic abscesses
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Author Contributions:
Shalini Thapar Laroia - Substantial contributions to conception and design, Analysis and interpretation of data, Drafting the article, revising it critically for important intellectual content, Final approval of the version to be published Archana Rastogi - Substantial contributions to conception and design, Drafting the article, Final approval of the version to be published Shiv Sarin - Substantial contributions to conception and design, Drafting the article, revising it critically for important intellectual content, Final approval of the version to be published |
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Guarantor of submission:
The corresponding author is the guarantor of submission. |
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Source of support:
None |
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Conflict of interest:
Authors declare no conflict of interest. |
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Copyright:
© Shalini Thapar Laroia et al. 2012; This article is distributed under the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any means provided the original authors and original publisher are properly credited. (Please see http://www.ijcasereportsandimages.com/copyright-policy.php for more information.) |
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