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Case Reports in Radiology
Volume 2014, Article ID 638375, 6 pages
http://dx.doi.org/10.1155/2014/638375
Case Report

Disseminated Alveolar Hydatid Disease Resembling a Metastatic Malignancy: A Diagnostic Challenge—A Report of Two Cases

1Department of Radiology, Istanbul Faculty of Medicine, Istanbul University, Millet Caddesi, Capa, 34093 Istanbul, Turkey
2Department of Radiology, Haseki Training and Research Hospital, 34096 Istanbul, Turkey
3Department of Nuclear Medicine, Istanbul Faculty of Medicine, Istanbul University, 34093 Istanbul, Turkey
4Department of Pathology, Istanbul Faculty of Medicine, Istanbul University, 34093 Istanbul, Turkey

Received 8 June 2014; Accepted 7 September 2014; Published 8 October 2014

Academic Editor: Samer Ezziddin

Copyright © 2014 Mesut Bulakci et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Alveolar hydatid disease or alveolar echinococcosis is a disease of the parasite Echinococcus multilocularis that is potentially fatal if left untreated. It primarily involves the liver but can be disseminated to other organs like the lungs and the brain by hematogenous route. Multiorgan involvement and the aggressive appearance of lesions make alveolar hydatid disease easy to confuse with a metastatic malignancy. For this reason, histopathological confirmation is essential for definite diagnosis. We present the imaging features of this disease in two patients in order to emphasize that these lesions can be easily misdiagnosed as malignancies.