Parasites, Hosts and Diseases

"Fasciola hepatica"

Case Report

Ectopic Human Fasciola hepatica Infection by an Adult Worm in the Mesocolon: Ah Jin Kim, Chang Hwan Choi, Sun Keun Choi, Yong Woon Shin, Yun-Kyu Park, Lucia Kim, Suk Jin Choi, Jee Young Han, Joon Mee Kim, Young Chae Chu, In Suh Park; Korean J Parasito 2015;53(6):725-730.
Published online December 31, 2015; DOI: https://doi.org/10.3347/kjp.2015.53.6.725

Abstract
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We report here an ectopic case of Fasciola hepatica infection confirmed by recovery of an adult worm in the mesocolon. A 56-year-old female was admitted to our hospital with discomfort and pain in the left lower quadrant of the abdomen. Abdominal CT showed 3 abscesses in the left upper quadrant, mesentery, and pelvic cavity. On surgical exploration, abscess pockets were found in the mesocolon of the sigmoid colon and transverse colon. A leaf-like worm found in the abscess pocket of the mesocolon of the left colon was diagnosed as an adult fluke of F. hepatica. Histologically, numerous eggs of F. hepatica were noted with acute and chronic granulomatous inflammations in the subserosa and pericolic adipose tissues. Conclusively, a rare case of ectopic fascioliasis has been confirmed in this study by the adult worm recovery of F. hepatica in the mesocolon.

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NumerousFasciolaplasminogen-binding proteins may underlie blood-brain barrier leakage and explain neurological disorder complexity and heterogeneity in the acute and chronic phases of human fascioliasis
J. González-Miguel, M. A. Valero, M. Reguera-Gomez, C. Mas-Bargues, M. D. Bargues, F. Simón, S. Mas-Coma
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Highlights of human ectopic fascioliasis: a systematic review
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A Case of Ectopic Peritoneal Paragonimiasis Mimicking Diverticulitis or Abdominal Abscess
Min Jae Kim, Sung-Han Kim, Sang-Oh Lee, Sang-Ho Choi, Yang Soo Kim, Jun Hee Woo, Yong Sik Yoon, Kyung Won Kim, Jaeeun Cho, Jong-Yil Chai, Yong Pil Chong
The Korean Journal of Parasitology.2017; 55(3): 313. CrossRef

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Original Article

Fasciola hepatica in Snails Collected from Water-Dropwort Fields using PCR: Hwang-Yong Kim, In-Wook Choi, Yeon-Rok Kim, Juan-Hua Quan, Hassan Ahmed Hassan Ahmed Ismail, Guang-Ho Cha, Sung-Jong Hong, Young-Ha Lee; Korean J Parasito 2014;52(6):645-652.
Published online December 23, 2014; DOI: https://doi.org/10.3347/kjp.2014.52.6.645

Abstract
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Fasciola hepatica is a trematode that causes zoonosis mainly in cattle and sheep and occasionally in humans. Fascioliasis has been reported in Korea; however, determining F. hepatica infection in snails has not been done recently. Thus, using PCR, we evaluated the prevalence of F. hepatica infection in snails at 4 large water-dropwort fields. Among 349 examined snails, F. hepatica-specific internal transcribed space 1 (ITS-1) and/or ITS-2 markers were detected in 12 snails and confirmed using sequence analysis. Morphologically, 213 of 349 collected snails were dextral shelled, which is the same aperture as the lymnaeid snail, the vectorial host for F. hepatica. Among the 12 F. hepatica-infected snails, 6 were known first intermediate hosts in Korea (Lymnaea viridis and L. ollula) and the remaining 6 (Lymnaea sp.) were potentially a new first intermediate host in Korea. It has been shown that the overall prevalence of the snails contaminated with F. hepatica in water-dropwort fields was 3.4%; however, the prevalence varied among the fields. This is the first study to estimate the prevalence of F. hepatica infection using the vectorial capacity of the snails in Korea.

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Dang Thi LOAN, Lam Thanh NGUYEN, Tran Ngoc BICH, Nguyen Thuy Y VI, Yasunobu MATSUMOTO
Journal of Veterinary Medical Science.2025; 87(3): 291. CrossRef
Susceptibility of lymnaeid snails to Fasciola hepatica and Fasciola gigantica (Digenea: Fasciolidae): a systematic review and meta-analysis
Philile Ignecious Ngcamphalala, Ignore Nyagura, Mokgadi Pulane Malatji, Samson Mukaratirwa
PeerJ.2025; 13: e18976. CrossRef
Green vegetable juice as a potential source of human fascioliasis in Korea
Sungim Choi, Sunghee Park, Sooji Hong, Hyejoo Shin, Bong-Kwang Jung, Min Jae Kim
One Health.2022; 15: 100441. CrossRef
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Xiao-Ting Lu, Qiu-Yun Gu, Yanin Limpanont, Lan-Gui Song, Zhong-Dao Wu, Kamolnetr Okanurak, Zhi-Yue Lv
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Gregorio L. Martin I, Esperanza C. Cabrera
Journal of Parasitology Research.2018; 2018: 1. CrossRef
A Case of Fascioliasis in A Wild Nutria, Myocastor coypus, in Republic of Korea
Hyo-Seok Kim, Joo-Yeon Kong, Jong-Hyun Kim, Seong-Chan Yeon, Il-Hwa Hong
The Korean Journal of Parasitology.2018; 56(4): 375. CrossRef
Monitoring of Fasciola Species Contamination in Water Dropwort by COX1 Mitochondrial and ITS-2 rDNA Sequencing Analysis
In-Wook Choi, Hwang-Yong Kim, Juan-Hua Quan, Jae-Gee Ryu, Rubing Sun, Young-Ha Lee
The Korean Journal of Parasitology.2015; 53(5): 641. CrossRef
Ectopic Human <i>Fasciola hepatica</i> Infection by an Adult Worm in the Mesocolon
Ah Jin Kim, Chang Hwan Choi, Sun Keun Choi, Yong Woon Shin, Yun-Kyu Park, Lucia Kim, Suk Jin Choi, Jee Young Han, Joon Mee Kim, Young Chae Chu, In Suh Park
The Korean Journal of Parasitology.2015; 53(6): 725. CrossRef

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Case Report

A Case of Fasciola hepatica Infection Mimicking Cholangiocarcinoma and ITS-1 Sequencing of the Worm: Bong Kyun Kang, Bong-Kwang Jung, Yoon Suk Lee, In Kyeom Hwang, Hyemi Lim, Jaeeun Cho, Jin-Hyeok Hwang, Jong-Yil Chai; Korean J Parasito 2014;52(2):193-196.
Published online April 18, 2014; DOI: https://doi.org/10.3347/kjp.2014.52.2.193

Abstract
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Fascioliasis is a zoonotic infection caused by Fasciola hepatica or Fasciola gigantica. We report an 87-year-old Korean male patient with postprandial abdominal pain and discomfort due to F. hepatica infection who was diagnosed and managed by endoscopic retrograde cholangiopancreatography (ERCP) with extraction of 2 worms. At his first visit to the hospital, a gallbladder stone was suspected. CT and magnetic retrograde cholangiopancreatography (MRCP) showed an intraductal mass in the common bile duct (CBD) without proximal duct dilatation. Based on radiological findings, the presumed diagnosis was intraductal cholangiocarcinoma. However, in ERCP which was performed for biliary decompression and tissue diagnosis, movable materials were detected in the CBD. Using a basket, 2 living leaf-like parasites were removed. The worms were morphologically compatible with F. hepatica. To rule out the possibility of the worms to be another morphologically close species, in particular F. gigantica, 1 specimen was processed for genetic analysis of its ITS-1 region. The results showed that the present worms were genetically identical (100%) with F. hepatica but different from F. gigantica.

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A Case of Fascioliasis in A Wild Nutria, Myocastor coypus, in Republic of Korea
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The Korean Journal of Parasitology.2018; 56(4): 375. CrossRef
F-18-FDG PET/BT’de kolanjiosellüler kanseri taklit eden Fasciola hepatica vakası
Hüseyin KAÇMAZ, Elif Tuğba TUNCEL, Berat EBİK, Feyzullah UÇMAK, Muhsin KAYA, Kendal YALÇIN
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Monitoring of Fasciola Species Contamination in Water Dropwort by COX1 Mitochondrial and ITS-2 rDNA Sequencing Analysis
In-Wook Choi, Hwang-Yong Kim, Juan-Hua Quan, Jae-Gee Ryu, Rubing Sun, Young-Ha Lee
The Korean Journal of Parasitology.2015; 53(5): 641. CrossRef
Endoscopic Extraction of Biliary Fascioliasis Diagnosed Using Intraductal Ultrasonography in a Patient with Acute Cholangitis
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Fasciola hepatica in Snails Collected from Water-Dropwort Fields using PCR
Hwang-Yong Kim, In-Wook Choi, Yeon-Rok Kim, Juan-Hua Quan, Hassan Ahmed Hassan Ahmed Ismail, Guang-Ho Cha, Sung-Jong Hong, Young-Ha Lee
The Korean Journal of Parasitology.2014; 52(6): 645. CrossRef

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Original Article

Experimental Murine Fascioliasis Derives Early Immune Suppression with Increased Levels of TGF-β and IL-4: Joon-Yong Chung, Young-An Bae, Doo-Hee Yun, Hyun-Jong Yang, Yoon Kong; Korean J Parasito 2012;50(4):301-308.
Published online November 26, 2012; DOI: https://doi.org/10.3347/kjp.2012.50.4.301

Abstract
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In fascioliasis, T-helper 2 (Th2) responses predominate, while little is known regarding early immune phenomenon. We herein analyzed early immunophenotype changes of BALB/c, C57BL/6, and C3H/He mice experimentally infected with 5 Fasciola hepatica metacercariae. A remarkable expansion of CD19⁺ B cells was observed as early as week 1 post-infection while CD4⁺/CD8⁺ T cells were down-regulated. Accumulation of Mac1⁺ cells with time after infection correlated well with splenomegaly of all mice strains tested. The expression of tumor necrosis factor (TNF)-α mRNA in splenocytes significantly decreased while that of IL-4 up-regulated. IL-1β expression was down-modulated in BALB/c and C57BL/6 mice, but not in C3H/He. Serum levels of transforming growth factor (TGF)-β were considerably elevated in all mice during 3 weeks of infection period. These collective results suggest that experimental murine fascioliasis might derive immune suppression with elevated levels of TGF-β and IL-4 during the early stages of infection.

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Brief Communication

Usefulness of 8 kDa protein of Fasciola hepatica in diagnosis of fascioliasis: Kwangsig Kim, Hyun Jong Yang, Young-Bae Chung; Korean J Parasito 2003;41(2):121-123.
Published online June 20, 2003; DOI: https://doi.org/10.3347/kjp.2003.41.2.121

Abstract
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This study was designed to detect and evaluate an antigenicity of low molecular weight proteins of Fasciola hepatica in fascioliasis. Low molecular weight protein of F. hepatica was purified by ammonium sulfate precipitation and Sephacryl S-100 HR gel filtration. The protein obtained was estimated to be 8 kDa on 7.5-15% gradient sodium dodecyl sulfate gel electrophoresis. Immunoblotting studies showed that the 8 kDa protein reacted with human fascioliasis sera, but not other trematodiasis sera. This result suggests that the 8 kDa protein of F. hepatica is one of diagnostic antigens in human fascioliasis without cross-reaction with other human trematodiasis.

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