Space Occupying Lesion in the Liver Caused by Hepatic Visceral Larva Migrans: A Case Report

Kye-Yeung Park Department of Family Medicine, Hanyang University College of Medicine, Seoul, Korea;

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Hoon-Ki Park Department of Family Medicine, Hanyang University College of Medicine, Seoul, Korea;

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Hwan-Sik Hwang Department of Family Medicine, Hanyang University College of Medicine, Seoul, Korea;

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Jae-Sook Ryu Department of Environmental Biology and Medical Parasitology, Hanyang University College of Medicine, Seoul, Korea;

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Kyeong-Geun Lee Department of Surgery, Hanyang University College of Medicine, Seoul, Korea;

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Ki-Seok Jang Department of Pathology Hanyang University College of Medicine, Seoul, Korea

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Visceral larva migrans (VLM) is one of the clinical syndromes of human toxocariasis. We report a case of hepatic VLM presenting preprandial malaise and epigastric discomfort in a 58-year-old woman drinking raw roe deer blood. The imaging studies of the abdomen showed a 74-mm hepatic mass featuring hepatic VLM. Anti–Toxocara canis immunoglobulin G (IgG) was observed in enzyme-linked immunosorbent assay (ELISA) and western blot. Despite anthelmintic treatment, the patient complained of newly developed cough and skin rash with severe eosinophilia. Hepatic lesion increased in size. The patient underwent an open left lobectomy of the liver. After the surgery, the patient was free of symptoms such as preprandial malaise, epigastric discomfort, cough, and skin rash. Laboratory test showed a normal eosinophilic count at postoperative 1 month, 6 months, 1 year, and 4 years. The initial optical density value of 2.55 of anti–T. canis IgG in ELISA was found to be negative (0.684) at postoperative 21 months. Our case report highlights that a high degree of clinical suspicion for hepatic VLM should be considered in a patient with a history of ingestion of raw food in the past, presenting severe eosinophilia and a variety of symptoms which reflect high worm burdens. Symptom remission, eosinophilia remission, and complete radiological resolution of lesions can be complete with surgery.

Author Notes

Address correspondence to Hoon-Ki Park, Department of Family Medicine, Hanyang University College of Medicine, 222, Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea. E-mail: hoonkp@hanyang.ac.kr

Authors’ addresses: Kye-Yeung Park, Hoon-Ki Park, and Hwan-Sik Hwang, Department of Family Medicine, Hanyang University College of Medicine, Seoul, Korea, E-mails: kyeyeung@naver.com, hoonkp@hanyang.ac.kr, and fmhwang@hanyang.ac.kr. Jae-Sook Ryu, Department of Environmental Biology and Medical Parasitology, Hanyang University College of Medicine, Seoul, Korea, E-mail: jsryu@hanyang.ac.kr. Kyeong-Geun Lee, Department of Surgery, Hanyang University College of Medicine, Seoul, Korea, E-mail: hepafel@hanyang.ac.kr. Ki-Seok Jang, Department of Pathology, Hanyang University College of Medicine, Seoul, Korea, E-mail: medartisan@hanyang.ac.kr.

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