Fig. 2.

Macroscopic photos of rodent livers containing Echinococcus multilocularis metacestode lesions. The ruler in each picture is in millimeters. (A) Liver from Microtus agrestis with one lesion that contained protoscoleces. (B) Liver from Arvicola amphibius with multiple lesions that did not contain protoscoleces. (C) Liver from Arvicola amphibius with multiple lesions that did contain protoscoleces. (D) Liver from Arvicola amphibius. Arrow points to the only lesion examined for protoscoleces, which were absent.