J Korean Med Sci.  2004 Oct;19(5):759-762. 10.3346/jkms.2004.19.5.759.

Imaging Findings of Hepatic Paragonimiasis: A Case Report

• Kim EA
• Juhng SK
• Kim HW
• Kim GD
• Lee YW
• Cho HJ
• Won JJ

• KMID: 1733524
• DOI: http://doi.org/10.3346/jkms.2004.19.5.759

Abstract

Hepatic paragonimiasis is a rare form of ectopic infestation caused by Paragonimus. We experienced a case of hepatic paragonimiasis that showed characteristic imaging findings. CT and MR images showed a cluster of small cysts with rim enhancement in the subcapsular area of the liver. This finding seems to be characteristic for hepatic paragonimiasis, considering imaging findings in paragonimiasis involving other organs.

Keyword

Liver abscess; Tomography, X-ray Computed; Magnetic Resonance Imaging; Diagnostic Imaging; Paragonimiasis

MeSH Terms

Adult
Humans
Liver/*parasitology/pathology/radiography
Magnetic Resonance Imaging
Male
Paragonimiasis/*pathology/*radiography
*Paragonimus westermani
Research Support, Non-U.S. Gov't
Tomography, X-Ray Computed

Figure

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  Fig. 1 Contrast-enhanced CT of the chest shows a well-circumscribed nodule composed of clustered cysts in the left upper lobe.

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  Fig. 2 Contrast-enhanced CT of the liver shows a cluster of rim-enhancing, small cysts at the subcapsular area of the segment VII. Note mild enhancement of the hepatic capsule and pleural thickening (arrow) adjacent to the hepatic lesion.

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  Fig. 3 MRI of the liver demonstrate a low signal intensity lesion on T1-weighted image (A) at the same site as that at CT and a cluster of small bright signal intensities on T2-weighted image (B), suggestive of cystic nature.

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  Fig. 4 Photomicrograph of a specimen obtained by lung biopsy reveals Paragonimus eggs (arrow) of 90×40 µm in size, with chronic granulomatous inflammation (H-E stain, ×200).

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  Fig. 5 Contrast-enhanced CT of the liver after praziquantel treatment demonstrates complete disappearance of parenchymal lesion in the right lobe.

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