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  • Title: Nematode infection of the liver mimicking metastasis of malignant melanoma.
    Author: Maier M, Tappe D, Töpfer C, Rosenwald A, Gassel HJ, Timm S.
    Journal: Liver Int; 2006 Aug; 26(6):742-5. PubMed ID: 16842332.
    Abstract:
    BACKGROUND: The differential diagnoses of a circumscribed mass of the liver are varied. Especially if a malignant tumor, capable of setting metastases to the liver, is known in a patient's medical history, there might be difficulties in differentiating the tumor's entity. CASUISTRY: We report a case of a 40-year-old male with a history of malignant melanoma in whom follow-up investigations revealed a mass in the liver. RESULTS: The histopathological and microbiological results, however, showed an infestation of liver tissue with nematodes. Malignant tumor cells could not be detected. CONCLUSIONS: Roundworm-infections of the liver can present as lesions suspicious of being malignant. Therefore, along with e.g. microhamartoma, microabscesses and hepatocellular carcinoma, infestation with nematodes should be taken into consideration.
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